# List of steamboats on the Colorado River

This list summarizes basic characteristics of steamboats and towed barges placed in service on the Colorado River and its tributaries. The article Steamboats of the Colorado River expands on the topic.

## Steamboats on the Lower Colorado River

Table 1: Steamboats on the Lower Colorado River :
| Name | Type | Year built | Where built | Builders | Launched | Owners | Tons | Length | Beam | Draft | Engines - cargo tonnage | Disposition |
| Cochan | stern | 1899 | Yuma | unknown | Yuma, 1899 | Colorado Steam Navigation Company | 234 | 135' | 31' | 22" loaded, 11" light | Taken from the Gila - 125 tons. | Dismantled Spring, 1910 |
| Cocopah I | stern | 1859 | San Francisco | unknown | Gridiron, Sonora, Aug. 1859 | George A. Johnson & Company | unknown | 140' | 29' | 14.5" | unknown - 60 tons, tow 100 ton barge | Dismantled 1867, housing in Port Isabel |
| Cocopah II | stern | 1867 | Arizona City | unknown | Arizona City, May 1867 | George A. Johnson & Company, Colorado Steam Navigation Company | 231 | 147.5' | 28' | unknown | unknown - unknown | Dismantled 1881 |
| Colorado I | stern | 1855 | San Francisco | John G. North | Estuary, Dec. 1855 | George A. Johnson & Company | unknown | 120' | unknown | unknown | 80 hp - 70 tons | Dismantled April, 1862 |
| Colorado II | stern | 1862 | Arizona City | John G. North | Arizona City, 1862 | George A. Johnson & Company, Colorado Steam Navigation Company | 179 | 145' | 29' | 16" | 80 hp from Colorado I - 70 tons | Dismantled 1882 |
| Esmerelda | stern | 1862 | San Francisco | Patrick Henry Tiernan$^{:149}$ | San Francisco, engaged in the upper San Joaquin River trade, sent to Colorado River arriving March, 1864 | Union Line, Pacific & Colorado Steam Navigation Co., Arizona Navigation Co., George A. Johnson & Company | unknown | 93' | 20' | 33" | unknown - 50 tons, tow 100 ton barge | Dismantled 1868 |
| Explorer | stern (iron hull) | 1857 | Philadelphia | Reaney, Neafie & Company$^{:21}$ | Robinson's Landing, Baja California, 1857 | U. S. ArmyCorps of Topographical Engineers, George A. Johnson & Company | unknown | 54' | 13' | 3' | unknown - unknown | Engine removed 1858, used as a barge until lost 1864. |
| General Jesup | side | 1853 | unknown | unknown | Estuary, 1854 | George A. Johnson & Company | unknown | 104' | 17' | 30" | 50 hp - 50 tons | Dismantled, 1859. |
| General Rosales | propeller-driven | 1878 | unknown | unknown | Yuma, Arizona July 1878 | Gulf of California Steamship Company | 54 | 96' | 16' | 4' | unknown - unknown | Sent to Guaymas, Sonora, Sept. 1878 |
| Gila | stern | 1873 | San Francisco | Patrick Henry Tiernan$^{:150}$ | Port Isabel, Sonora, 1873 | Colorado Steam Navigation Company | 236 | 149' | 31' | 16.5" (3.8' deep hull) | unknown - 125 tons | Rebuilt as Cochan, 1899 |
| Mohave I | stern | 1864 | San Francisco | John G. North | Estuary, May 1864 | George A. Johnson & Company, Colorado Steam Navigation Company | 193 | 135' | 28' | 4' | unknown - up to 225 tons, or tow 2 barges, with 100 tons of cargo | Dismantled 1875, machinery used to equip Onward in 1877 |
| Mohave II | stern | 1876 | San Francisco | Patrick Henry Tiernan$^{:150}$ | Port Isabel, Sonora, May 1876 | Colorado Steam Navigation Company | 188 | 149.5' | 31.5' | 12" | unknown - unknown | Dismantled Jan. 1900 |
| Nina Tilden | stern | 1864 | San Francisco | Martin Vice | San Francisco, July 1864, arrived at Colorado River Aug. 1864 | Philadelphia Silver & Copper Mining Co., Pacific & Colorado Steam Navigation Co., Arizona Navigation Co., George A. Johnson & Company, Colorado Steam Navigation Company | unknown | 97' | 22' | 12" | unknown - 120 tons | Wrecked Sept. 1874, at Port Isabel |
| Retta | stern | 1900 | Yuma | unknown | Yuma, 1900 | Mexican-Colorado Navigation Company | unknown | 36' | 6' | unknown | unknown - unknown | Sunk, February, 1905 |
| St. Vallier | stern | 1899 | unknown | unknown | Needles, California, Early 1899 | Santa Ana Mining Company, Mexican-Colorado Navigation Company | 94 | 74' | 17' | unknown | unknown - unknown | Sunk, March, 1909 |
| San Jorge | screw | 1901 | Chicago | unknown | Yuma, June 1901 | Mexican-Colorado Navigation Company | unknown | 38' | 9' | 18" | unknown - unknown | To the Gulf, July 1901 |
| Searchlight | stern | 1902 | Needles | F. L. Hawley | Needles, Dec. 1902 | Colorado River Transportation Company, Colorado Steam Navigation Company, U. S. Reclamation Service | 98 | 91' | 18' | unknown | unknown - unknown | "Lost", 1916 |
| Uncle Sam | side | June 1852 | San Francisco | Domingo Marcucci | Estuary, Nov. 1852 | James Turnbull | 40 | 65' | 16' | unknown | 20 hp - 35 tons | Foundered 1853, 6 miles below Fort Yuma |
| Unnamed steamer | stern | February 1859 | San Francisco | Henry Owens | Knocked down and sent to the Colorado River Estuary in the schooner Arno. | Gila Mining & Transportation Company | unknown | 125' | 25' | 3.5' | unknown - unknown | Sank with the schooner Arno near Robinson's Landing before it could be unloaded and assembled. April 1859. |

## Towed barges of the Lower Colorado River

* Black Crook 1864-1880s, White Fawn 1864-1880s, Barge #1 1864-1900, Barge #2 1865-1900, Barge #3 1865-1900, Barge #4 1872-1900, Pumpkin Seed 1865-1867, Silas J. Lewis 1900-1909, Enterprise 1901-1909

## Steamboats on the Green and Upper Colorado Rivers

Table 2: Steamboats on the Green and Upper Colorado Rivers :
| Name | Type | Year built | Where built | Builders | Launched | Owners | Length | Beam | Draft | Engines - cargo tonnage | Disposition |
| Black Eagle | screw | 1907 | Green River, Utah | Harry T. Yokey | Green River, Utah Jun. 1907 | Harry T. Yokey | 40' | 6' | 7-8" | | Exploded, 1907 |
| Charles H. Spencer | stern | 1912 | San Francisco | Schultz, Robertson and Schultz | Warm Creek, Arizona Feb. 1912 | Charles H. Spencer | 92.5' | 25' | 18-20" | 100 hp - unknown | Abandoned, Spring 1912 |
| Cliff Dweller | stern | 1905 | Halverson's, Utah | John J. Lumsden, Charles Anderson | Halverson's, Utah, Nov. 1905 | John J. Lumsden | 70' | 20' | 14" | coal-fired - unknown | To Salt Lake, renamed Vista, Apr. 1907 |
| Comet | stern | 1908 | Green River, Wyoming | Holger Larsen | Green River, Wyoming, July 1908 | Green River Navigation Company | 60' | 12' | | coal-fired, 2 x 2O hp engines - unknown | Abandoned 1908 |
| Major Powell | screw | 1891 | unknown | unknown | Green River, Utah, Aug. 1891 | Green Grand & Colorado River Navigation Company | 35' | 8' | 26" | coal-fired (wood on 2nd voyage), 2 x 6 hp - 3 tons | Dismantled, 1894 |
| Undine | stern | 1902 | Rock Island, Illinois | unknown | Green River, Utah, Nov. 1901 | Frank H. Summerhill | 60' | 10' | 12" - 20" | coal-fired, 20 hp - 15 tons | Wrecked May 1902 |