Big Bear, CA
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La Laguna, Arizona – Yuma County Ghost Town
La Laguna, Arizona was a short-lived gold mining camp and steamboat landing on the Colorado River in what is now Yuma County. It existed primarily from 1860 to 1862 (with some residual activity afterward) in the New Mexico Territory and served as an early supply point for placer miners before declining rapidly with the larger La Paz gold rush. Its site now lies submerged beneath Mittry Lake.
Location and Founding
La Laguna stood on the Arizona (east) bank of the Colorado River roughly 20 miles upstream from Yuma (then near Fort Yuma/Colorado City). Coordinates place it near 32°49′N 114°29′W. Gold placers were reported in the vicinity by the late 1850s or 1860, drawing prospectors—many Mexican and local—to the area across from the earlier Potholes diggings on the California side. The settlement developed as a modest river landing with a few merchants, basic services, and a ferry that carried miners and supplies across the river.
José María Redondo (1830–1878), a Sonoran-born entrepreneur who had prospected in California and southern Arizona, played a central role. Around 1859 he settled in the area, operated a store and bakery, ran a ferry (with partner William Werninger by about 1861), and established ranching and early irrigation efforts. He later became known as a pioneer of irrigation in the Yuma area (“Father of Irrigation in Yuma”), a territorial legislator, and mayor of Yuma. Redondo was among the first to mine gold at the richer La Paz diggings.
Role with Colorado River Steamboats
Steamboats began regular service on the lower Colorado River in the early 1850s, primarily to supply Fort Yuma more cheaply than overland freight from California. Shallow-draft stern-wheelers (and some side-wheelers) of the Colorado Steam Navigation Company and predecessors carried freight, passengers, military supplies, and mining equipment from the Gulf of California upstream. La Laguna appears in historical lists of landings as active roughly 1860–1863, about 20 miles above Yuma and just upstream of Potholes (California).
The landing’s river access was its main advantage in the desert. Steamboats delivered goods that would otherwise have required expensive mule or wagon transport, supporting the small population of merchants and the surrounding placer miners who needed tools, provisions, and a way to move ore or gold dust. The ferry complemented this by linking the Arizona and California sides. River traffic overall grew with the early 1860s mining boom, making companies such as George A. Johnson’s highly profitable before railroads later undercut them.
Supplying the Surrounding Areas and the Mining Economy
La Laguna functioned as a local supply hub for placer miners working nearby gulches and river gravels. Merchants provided food, mining equipment, and other necessities; the ferry facilitated movement of people and goods. The camp supported early gold recovery in the broader Laguna area (including later-noted placers in the Laguna Mountains/Las Flores and McPhaul districts), though production there was modest compared with later strikes.
In January 1862, Captain Pauline Weaver and others discovered rich placers at what became La Paz (Laguna de la Paz), farther upstream. José Redondo was in the party that confirmed the find; one early pan yielded a sizable nugget. News spread rapidly. Miners and suppliers abandoned or scaled back at La Laguna for the richer La Paz diggings (and soon other districts). A party of about 40 reportedly returned from the discovery to La Laguna for supplies before the rush fully developed. La Paz quickly grew into a major boomtown and steamboat destination; La Laguna declined.
By the mid-1860s it was largely replaced as a significant landing by Castle Dome Landing (about 15 miles farther north), which served the Castle Dome Mountains silver and gold discoveries. La Laguna lingered briefly as the site of Redondo’s store and ranch. Redondo himself moved on to larger ranching, irrigation (including the San Ysidro Ranch), mercantile businesses in the Yuma area, and public office.
Decline, Later Context, and Legacy
The combination of the La Paz rush, shifting river channels, and the rise of other landings ended La Laguna’s brief prominence. Steamboat navigation on the lower Colorado continued for decades (supporting forts, mines, and settlements up to the Virgin River area) until the Laguna Diversion Dam (built 1905–1909, the first dam fully across the Colorado) blocked upstream travel and marked the practical end of the commercial steamboat era. The old La Laguna site was later inundated by Mittry Lake.
Today La Laguna is remembered as a minor but illustrative ghost town of the early Colorado River mining and transportation frontier—one of the first Arizona-side landings tied to the steamboat network that opened the lower river valley to settlement and extraction before railroads and dams transformed the region. Its story is closely linked to Redondo’s career and to the sequence of gold rushes that briefly made the lower Colorado a busy corridor of paddle-wheelers, ferries, and boom camps.
Gila – Colorado River Steamships
The Gila was a wooden-hulled stern-wheel steamboat (sternwheeler) of the Colorado Steam Navigation Company that operated on the lower Colorado River from 1873 to 1899. It was one of the most durable and successful vessels in the river’s steamboat era, known for its shallow draft that allowed it to navigate the river’s shifting sandbars, low water, and difficult stretches while carrying freight, passengers, mining equipment, and supplies.
Description and Specifications
The Gila measured approximately 149 feet in length with a 31-foot beam and a hull depth of about 3.5–3.8 feet. It displaced 236 tons and drew only about 16.5 inches of water when light (unloaded), making it exceptionally well-suited to the Colorado’s shallow, variable conditions. Cargo capacity was typically around 125 tons, and it frequently towed barges that significantly increased overall payload.
It was a classic Western river sternwheeler: a flat-bottomed or lightly built wooden hull powered by a stern paddlewheel, optimized for maneuvering in confined channels and over bars rather than for open-water speed or deep draft. Passenger accommodations included staterooms (limited in number) and a dining area, though conditions were often harsh due to extreme desert heat. Contemporary accounts, such as Martha Summerhayes’s description of an 1874 voyage under Captain Jack Mellon, note the intense heat that made staterooms nearly unusable during the day, forced passengers to sleep on deck at night with straw bedding, and left even metal utensils uncomfortably warm. Meals were basic (biscuits, salted beef, canned vegetables), and drinking water was cooled only marginally by hanging flannel-covered canteens in the shade.
The boat was built in San Francisco by shipbuilder Patrick Henry Tiernan, shipped “knocked down” (disassembled) to Port Isabel, Sonora (near the Colorado River’s mouth on the Gulf of California), and reassembled and launched there in January 1873 under the supervision of veteran Captain David C. Robinson. It was constructed specifically as a replacement for the aging Nina Tilden, an earlier vessel acquired by George Alonzo Johnson’s interests after the failure of a rival company.
Historical Context of Colorado River Steamboating
Steamboat navigation on the Colorado began in the early 1850s primarily to supply the isolated U.S. Army post at Fort Yuma (near the Gila River confluence). Overland freight from California was extremely expensive (often hundreds of dollars per ton). Early side-wheelers such as the Uncle Sam (1852) and General Jesup demonstrated the feasibility of river transport; later sternwheelers with shallower drafts proved far more practical. The Colorado Steam Navigation Company (and its predecessors under George A. Johnson) dominated the trade, establishing woodyards along the river (often worked by Cocopah laborers) so boats could refuel overnight rather than gather wood en route. Boats did not run at night because of the constant hazards of shifting sandbars and snags.
By the 1860s–1870s the route extended from the delta (Port Isabel and earlier landings) past Yuma/Arizona City upriver to points such as Ehrenberg, Hardyville, Fort Mohave, and eventually farther north during high water or special voyages. Freight included mining machinery, coal, supplies, and merchandise inbound, and ore, wool, hides, and other products outbound. Passenger fares varied by distance.
Service History of the Gila
Launched in early 1873, the Gila quickly became a workhorse of the fleet. It hauled freight and passengers on the main lower-river routes for more than 25 years and was frequently commanded by skilled pilots, notably Captain John “Jack” Alexander Mellon (sometimes spelled Melon or Mellon). Mellon had extensive experience on the river and was known for innovative techniques such as using the sternwheel to dig through sandbars when necessary.
A notable chapter began in 1879 after the Southern Pacific Railroad interests acquired control of the steamboat company. The Gila was chartered to Joseph Wharton, who had consolidated mining operations in Eldorado Canyon (Nevada). Under Mellon’s command it delivered machinery to the canyon and then, in a pioneering voyage in July 1879, successfully navigated the previously uncharted Boulder Canyon to reach the mouth of the Virgin River at Rioville (Utah/Nevada border area). This proved that the Virgin River confluence was the practical head of steam navigation on the Colorado—something earlier explorers and operators (including Johnson, Ives, and Trueworthy) had believed possible but had not fully achieved. Over the next eight years the Gila made about 22 trips up to Rioville to obtain salt needed for processing silver ore at the Eldorado Canyon mills.
Throughout its career the boat supported the region’s mining booms, military posts, and settlements. It operated in an era when steamboats were the most economical way to move heavy goods into the arid Southwest until railroads progressively undercut the trade (Southern Pacific reached Yuma in 1877, and later lines further reduced river traffic).
Ports of Call and Route
Operations typically began at the Colorado River Delta/Gulf of California area (transferring cargo from ocean vessels to avoid Mexican duties or navigate shallow tidal waters) and ran upstream through Sonora, Baja California Territory, California, Arizona Territory, and into Nevada. Key landings and ports associated with the Gila and the broader fleet included:
- Port Isabel / estuary area (Sonora, Mexico): Assembly/launch site and southern terminal; early ocean-to-river transfer point.
- Yuma (Arizona City / Fort Yuma area): Primary hub, shipyard/repair site after the 1870s, and major transfer point. The Gila is documented there frequently (including with barges).
- Castle Dome Landing: About 35 miles above Yuma; served the Castle Dome mining district (lead ore, smelting).
- Ehrenberg (earlier Mineral City) and nearby La Paz / Olive City: Major mid-river ports roughly 125–130 miles above Yuma; key for central Arizona freight and passengers connecting to stage/wagon roads inland. Regular stops for the Gila and sister boats.
- Aubrey, Parker’s Landing, and intermediate woodyards/ranches: Wood fuel stops and minor landings.
- Fort Mohave / Hardyville (later near Bullhead City area): Important northern low-water head of navigation (~310 miles above Yuma); ferry and freight transfer for northern Arizona and mines. The Gila made regular runs here.
- Polhamus Landing (near Hardyville, established ~1881): Busy freight point in the early 1880s for mines and agencies.
- Eldorado Canyon area (Nevada): Mining support, machinery delivery, and ore/bullion transport.
- Callville: Mormon-founded landing; intermediate stop on upper runs.
- Rioville (also associated with Bonelli’s Ferry; at the Virgin River confluence, now under Lake Mead): High-water head of navigation (~440 miles from Yuma/Fort Yuma area). The Gila reached it repeatedly 1879–1887 for salt cargoes.
Other occasional or fleet-associated stops included various woodyards, Drift Desert, California Camp, and points serving Indian agencies or temporary mining camps. Upstream travel was slower and more hazardous (days to a week or more depending on water levels and destination); downstream was faster with the current. High water (spring snowmelt) enabled farther upstream travel; low water restricted boats to shallower-draft operations and lower landings.
The Gila exemplified the ingenuity required to make commercial steamboating viable on one of the West’s most challenging rivers. Its long service life and role in extending navigation to the Virgin River marked it as a standout vessel in the Colorado River steamboat era.
Fate and Legacy
After roughly 25–35 years of continuous hard service (sources vary slightly on the exact phrasing of longevity), the worn Gila was rebuilt in 1899 at Yuma. Its machinery was refurbished and installed in a new or heavily reconstructed hull launched as the Cochan (sometimes given as 135 feet long with similar beam and a still-shallow draft). The Cochan continued working the river into the early 1900s, including support for Imperial Valley projects, until commercial steam navigation effectively ended with the completion of Laguna Dam (about 14 miles above Yuma) in 1909, which blocked the channel. Residual river traffic continued on a limited basis for a few more years.
The Gila is remembered as one of the most durable and capable boats on the Colorado—outlasting many contemporaries and playing a key role in extending reliable navigation northward and supporting the mining and settlement economy of the lower Colorado River corridor during its peak steamboat decades. Photographs from the period show it tied up at Yuma and other landings, often alongside barges that served as floating docks or additional cargo capacity.
Cedar Arizona – Mohave County Ghost Town
Cedar, Arizona was a short-lived gold, silver, and copper mining town (now a ghost town) in Mohave County, on the eastern slopes of the Hualapai Mountains. It lay roughly 60 miles southeast of Kingman, near present-day Wikieup, at an elevation of about 4,459 feet (1,359 m). Coordinates are approximately 34°46′43″N 113°47′40″W.
Founding and Early Development
Mining activity began in the early 1870s after prospectors discovered promising deposits of gold, silver, and copper in what became known as the Cedar Valley Mining District (or Cedar Mining District). The settlement itself is generally dated to around 1875. It formed part of the broader wave of mineral exploration across Mohave County and northwestern Arizona that followed the creation of Arizona Territory in 1863 and the establishment of early military posts and wagon roads.
The remote location offered access to timber and water resources useful for mining and milling operations. Early activity focused on quartz veins containing sulphides hosted in granite. Claims in the area included groups such as the Cedar Group (also associated with names like Arnold, Silver Queen, Prince, Wide Awake, and others). Operations remained relatively small-scale at first, typical of many isolated Arizona mining camps of the era.
Peak Years
The town gained more formal recognition when a post office opened on September 24, 1895 (some sources list September 25). This facilitated communication and commerce and marked a period of modest growth. At its height around 1907, Cedar supported approximately 200 residents. Infrastructure included the post office, two saloons, a general store, and several homes.
Two companies were particularly active: the Cedar Valley Gold & Silver Company and the Yucca Cyanide Mining & Milling Company. The latter reflected the growing use of cyanide processing techniques for recovering precious metals from lower-grade ores, a technology that became more common in the late 19th and early 20th centuries. Mining remained the sole economic driver; there is little evidence of significant agriculture, ranching, or other industries sustaining the community.
Decline and Abandonment
Like many Arizona mining camps, Cedar’s prosperity depended on accessible, profitable ore. By the early 1900s, easily worked shallow deposits were increasingly exhausted, raising extraction costs and reducing returns. The post office closed on July 31, 1911 (some accounts give July 11). Population declined rapidly thereafter. Within about a decade of its 1907 peak—by roughly the late 1910s—the site was largely abandoned.
No major railroad connection or large-scale capital investment appears to have sustained operations long-term, leaving the town vulnerable once the initial boom faded. This pattern mirrored the rise and fall of numerous small districts in the Hualapai Mountains and wider Mohave County.
Legacy and Present Day
Today Cedar is a classic ghost town. A roughly half-mile stretch of Cedar Valley contains scattered stone ruins, foundations of mining buildings and dwellings, and other remnants of the former settlement and workings. Access is typically by dirt roads suitable for high-clearance or 2WD vehicles depending on conditions; the site lies near Wikieup in a remote, rugged area of the Hualapai Mountains. Visitors should be prepared for desert conditions, limited services, and the need to respect private claims or public land regulations.
Cedar’s brief history illustrates the boom-and-bust cycle that defined much of Arizona’s late-19th- and early-20th-century mining frontier: rapid settlement driven by mineral discoveries, modest community development centered on extractive industry, and swift decline once ores played out. It remains a quiet historical site rather than a preserved tourist destination, preserving physical traces of the prospectors and workers who once lived there.
Aubrey Landing – Mohave County Ghost Town
Aubrey Landing (also known as Aubrey City or Aubrey) was a short-lived 19th-century ghost town and steamboat landing at the confluence of the Colorado River and the Bill Williams River (historically Bill Williams Fork) in southern Mohave County, Arizona. Located on the east bank of the Colorado and the north bank of the Bill Williams River, it served as a supply and shipping point for nearby mines in the Bill Williams Mining District during the Arizona Territory’s mining boom. Founded before 1865 and largely abandoned after the post office closed in 1886, the site now lies submerged beneath Lake Havasu, formed by Parker Dam in 1938.
Its history is inseparable from Colorado River steamboat navigation, which provided the primary economical link for freight, ore, supplies, and passengers between the Gulf of California/Yuma area and interior mining districts before railroads reached the region.
Early Exploration and Naming
The site was visited by early American explorers. Captain Amiel Weeks Whipple’s 1854 Pacific Railroad Survey near the 35th Parallel passed the location. In 1858, First Lieutenant Joseph C. Ives’s expedition to explore the Colorado River of the West camped there (Camp #33) while operating the steamboat Explorer.
The settlement was named for François Xavier Aubry (often spelled Aubrey; 1824–1854), a French-Canadian freighter and explorer known as the “Skimmer of the Plains” for his record-setting speed on the Santa Fe Trail. In 1853, while returning eastward from California after driving sheep overland, Aubry’s party reached and forded the Colorado River in the vicinity (accounts place the crossing near or roughly 20 miles north of the Bill Williams River mouth). He constructed rafts and contended with hostile Indigenous groups before continuing to New Mexico. Aubry died in 1854 in Albuquerque from wounds sustained in a fight. The landing’s founders, whose identities are unknown, commemorated him when establishing the river settlement during the Civil War era in the newly organized Arizona Territory (1863).
Founding, Mining Boom, and Settlement
Aubrey Landing emerged around the early-to-mid 1860s (sources cite circa 1860–1865) as a river port to support copper mining in the Bill Williams Mining District. It was ideally positioned roughly 220 miles upriver from Yuma. Key nearby operations included the Planet Company copper mines (about 12.5 miles away, discovered in 1863 by Richard Ryland and yielding high-grade ore of 15–40% copper or higher), Mineral Hill mines (about 11.2 miles), and Empire Flat mines (about 9.6 miles). Later, silver discoveries such as Jackson McCrackin’s lode (1873) also used the landing.
At its mid-1860s peak, the settlement reportedly included around 50 cabins and stores. It featured typical mining-camp structures plus a hotel, saloon, general store, and an office of the Colorado Steam Navigation Company (housed in an old ship’s cabin). Ore from the Planet Mine was shipped on nearly every downriver steamer beginning in 1864; high-grade copper was sent for smelting in San Francisco or, in some cases, Swansea, Wales. Freight teams hauled supplies inland to the mines and camps up Bill Williams Fork.
A post office opened on October 2, 1866 (named Aubrey), reflecting residual activity after an initial setback, and closed on November 3, 1886. By 1878 the town had not grown as its promoters hoped and consisted of only a handful of structures.
Role of Colorado River Steamships
Steamboat service was the economic lifeline of Aubrey Landing and the broader lower Colorado River region from the early 1850s until the early 20th century (effectively ending with the completion of Laguna Dam in 1909). George A. Johnson & Company’s operations evolved into the dominant Colorado Steam Navigation Company (CSNC) by the late 1860s. These shallow-draft sternwheelers and sidewheelers, often towing barges, navigated seasonal high water (typically strongest in spring and into summer) despite sandbars, shifting channels, and occasional rapids.
Aubrey Landing functioned as a regular stop for vessels such as the Esmeralda, Cocopah, Mohave, Gila, and others. They delivered mining equipment, provisions, explosives, merchandise, and passengers bound for the mines or further upriver points (including toward Fort Mohave and Hardyville). Outbound cargo centered on copper ore (and later silver), along with hides, pelts, and other goods. Steamboat freight rates were dramatically lower than overland wagon costs—initially on the order of $75 per ton or less depending on the route and period—making remote high-grade deposits viable. Peak monthly freight capacities on the river reached hundreds of tons during favorable seasons. An 1870s traveler’s account describes the landing in decline: only four or five cabins remained, the largest serving as a combined post office, store, saloon, and hotel, with activity limited mainly to freight teams serving the inland mines.
The landing formed part of a chain of river ports (including Ehrenberg, Parker’s Landing/Empire Flat, Liverpool Landing, and others) that linked ocean steamers at the Gulf of California or Port Isabel with Arizona’s interior mining districts.
Decline and Abandonment
A sharp drop in copper prices in 1865 nearly depopulated the town. Residual mining and river traffic sustained a small population for roughly another two decades. The arrival of the Southern Pacific Railroad at Yuma in 1877, followed by further rail expansion, undercut the steamboat monopoly on long-haul freight. Declining ore production, market fluctuations, floods that altered the river channel, and the general shift away from isolated river-dependent camps sealed the site’s fate. After the post office closed in 1886, the settlement was abandoned; by the early 20th century it had faded into a minor or uninhabited river point.
Legacy
Today the townsite lies beneath the waters of Lake Havasu (average depths in the vicinity have been reported around 45 feet in some accounts), north of Parker Dam. No surface remains are accessible. Aubrey Landing exemplifies the transient frontier river ports of the American Southwest: boom-and-bust communities dependent on steamboat logistics and mineral prices, quickly eclipsed by railroads and larger-scale industrial mining. Its story is preserved primarily in expedition reports, steamboat histories (notably works drawing on contemporary accounts), mining records of the Planet and related districts, and geographic surveys. The site underscores how the Colorado River served as a vital—if challenging—highway for the opening of Arizona Territory before modern transportation infrastructure transformed the region.
Primary sources and further reading include the Wikipedia entry synthesizing historical records; Richard E. Lingenfelter’s Steamboats on the Colorado River, 1852–1916; accounts of the Ives and Whipple expeditions; and contemporary descriptions of the Planet Mine and Bill Williams District mining activity.
Amiel Weeks Whipple
Amiel Weeks Whipple (October 21, 1817 – May 7, 1863) was an American military officer, topographical engineer, and surveyor in the U.S. Army’s Corps of Topographical Engineers. He is best known for major boundary and railroad-route surveys in the American Southwest, including work that touched on the Colorado River’s potential for navigation, and for his service as a Union general in the Civil War, where he was mortally wounded.
Early Life and Education
Whipple was born in Greenwich, Massachusetts, to David Whipple and Abigail Brown (Pepper) Whipple. He spent part of his youth in Concord, Massachusetts, where his father operated an inn. After teaching school in Concord, he applied to the U.S. Military Academy at West Point but was initially rejected. He attended Amherst College briefly before gaining admission to West Point in 1837. He graduated fifth in the class of 1841 and was commissioned as a second lieutenant in the First Artillery, transferring shortly afterward to the Topographical Engineers.
He married Eleanor Mary Sherburne of Portsmouth, New Hampshire, on September 12, 1843. The couple had several children.
Early Career and Boundary Surveys
Whipple’s early assignments involved hydrographic and trigonometrical surveys, including the Patapsco River in Maryland, approaches to New Orleans, and Portsmouth Harbor, New Hampshire. From 1844 to 1849 he worked on the northeastern U.S.–British boundary survey.
After the Mexican–American War, he joined the United States Boundary Commission surveying the new U.S.–Mexico border under the Treaty of Guadalupe Hidalgo. He served as interim chief surveyor at times and worked along the Gila River to the Colorado River and Pacific coast amid extreme desert conditions and other hardships. He was promoted to first lieutenant in 1851 and completed his boundary reports by 1853. During this period he interacted with Indigenous groups along the Colorado and Gila rivers; one well-documented act of kindness toward a young Yuma (Quechan) girl in 1849 later helped ease tensions during a subsequent visit.
The 35th Parallel Railroad Survey and the Colorado River
In 1853 Congress authorized the Pacific Railroad Surveys to identify viable transcontinental routes. Whipple commanded the expedition along the 35th parallel from Fort Smith, Arkansas, to Los Angeles. The party of about 70 men (soldiers, teamsters, and scientists, including botanist John Milton Bigelow, geologist Jules Marcou, and artist Balduin Möllhausen) left Fort Smith in July 1853. They traveled through present-day Oklahoma, the Texas Panhandle, and New Mexico, reaching Albuquerque in October. Guided in part by frontiersman Antoine Leroux and later by Mohave scouts, they crossed difficult terrain in what is now Arizona, reached the Colorado River near the mouth of Bill Williams Fork in early 1854, and made a challenging, near-disastrous crossing. The expedition continued across the Mojave Desert and arrived in Los Angeles in March 1854.
Whipple’s party ascended the Colorado roughly 50 miles. He observed that the river (at the higher stage he encountered) appeared navigable for light-draft steamers. This assessment, noted in official reports and later referenced by Lieutenant Joseph C. Ives in his own Colorado River exploration (1857–1858), contributed to growing interest in the river as a transportation corridor. Commercial steamboat operations on the lower Colorado had already begun in 1852 with vessels such as the Uncle Sam to supply Fort Yuma and support mining and settlement; Whipple’s observations reinforced the view that steam navigation was feasible farther upstream and helped inform later military and commercial efforts.
The expedition’s results appeared in the multi-volume Pacific Railroad Reports. Whipple’s contributions included topographic data, ethnographic notes on Southwestern tribes, and scientific collections. Although a full transcontinental railroad did not follow the entire 35th-parallel route, portions influenced later wagon roads and rail lines (including segments near the modern Santa Fe route). Place names associated with the survey and region include Fort Whipple (Arizona Territory, established 1863 near present-day Prescott and later a key post supplied in part via Colorado River steamboats and overland roads), the Whipple Mountains, and various botanical and zoological taxa (e.g., the genus Whipplea and species such as Hesperoyucca whipplei).
Later Pre-War Service
Promoted to captain in 1855, Whipple supervised lighthouse districts and channel improvements on the Great Lakes (St. Clair Flats and St. Marys River), work that facilitated navigation by larger vessels.
Civil War Service and Death
At the outbreak of the Civil War, Whipple served as a topographical engineer under Generals Irvin McDowell and George B. McClellan, producing maps used in Virginia campaigns and briefly overseeing early balloon reconnaissance. He was promoted to brigadier general of volunteers in 1862, commanded defenses of Washington, D.C., south of the Potomac, and led a division in the III Corps at Fredericksburg (December 1862). On May 4, 1863, while supervising earthworks at the Battle of Chancellorsville, he was mortally wounded by a Confederate sharpshooter’s bullet. He received last rites on the field, was taken to Washington, and died on May 7. President Abraham Lincoln (a personal acquaintance) signed his promotion to major general of volunteers just before his death; additional brevets followed posthumously. He was buried in Proprietors’ Cemetery, Portsmouth, New Hampshire.
Legacy and Role Regarding Colorado River Steamships
Whipple was never a commercial steamboat captain; the “Captain” title refers to his Army rank. His principal connection to Colorado River steamships was as a surveyor whose 1853–1854 observations supported the practicality of light-draft steam navigation on portions of the river. This assessment formed part of the body of knowledge that encouraged and guided the expansion of steamboat traffic (primarily by companies such as George A. Johnson & Co. and later the Colorado Steam Navigation Company) that carried military supplies, miners, settlers, and freight on the lower Colorado from the 1850s until the early 20th century, when dams and railroads ended the era. Fort Whipple, named in his honor shortly after his death, depended on those river supply lines during Arizona Territory’s formative years.
Whipple is remembered as a meticulous topographical engineer whose surveys advanced geographic knowledge of the Southwest, contributed to boundary settlement and transportation planning, and left an ethnographic and scientific record of lasting value.