Navy Oilers derived their names from Cities, Parks and the Streams shown in yellow.

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AO = Fleet Oiler Ship.       AOE = Fast Support Ship.      AOT = Oil Transporter.
Ship Name

Ship Number
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River Name

USS Trinity AO-13 Launched, 3 July 1920

Ship history depicts that is name was derived for the California river. The California Trinity River is the longest tributary of the Klamath River, approximately 130 miles long, in northwestern California. It drains an area of the Coast Ranges, including the southern Klamath Mountains, northwest of the Sacramento Valley. Considered especially scenic, along most of its course it flows swiftly through tight canyons and mountain meadows.

There is also a Trinity River in Texas. It is a 710-mile long river that flows entirely within the U.S. state of Texas. It rises in extreme north Texas, a few miles south of the Red River. But this river is used to derive a name for USS Trinity River LSMR 535. See the South Central Map.

USS Mattole AO-17 Launched, 16 March 1920

The Mattole River is a 62 mile river on the north coast of California.  The river and its 74 tributaries drain about 304 square miles including the eastern side of the King Range, and flows through Mattole Valley before emptying into the Pacific Ocean. About halfway to the ocean, near Honeydew, California, the river passes by Humboldt Redwoods State Park.

USS Truckee AO-147 Launched, 10 March 1955
Scrapped, August 6, 2008

The Truckee River is a river 140 miles long in northern California and northern Nevada. It drains part of the high Sierra Nevada, emptying into Pyramid Lake in the Great Basin. Its waters are an important source of irrigation along its valley and adjacent valleys. The water is quite clear near Lake Tahoe, but the river turns muddy by the time it passes Reno, Nevada.

USS Sacramento AOE-1 Launched, 14 September 1963
Sacramento is the capital city of California. North is the Sacramento River, the longest river entirely within California. Starting at the confluence of the South Fork and Middle Fork Sacramento River, near Mount Shasta in the Cascade Range, the Sacramento flows south for 447 miles, through the northern Central Valley of California, between the Pacific Coast Range and the Sierra Nevada. Not far downstream from its confluence with the American River, the Sacramento River joins the San Joaquin River in the Sacramento River Delta, which empties into Suisun Bay, the northern arm of San Francisco Bay.
The first USS Sacramento was a sloop. The second USS Sacramento PG-19 was a gunboat. 
USS Tamalpais AO-96 Launched, 28 October 1944
The Mt. Tamalpais and Muir Woods Railroad, known as “the crookedest railroad in the world,” was constructed in 1896; it brought passengers from Mill Valley to the summit via 281 curves. Atop Mt. Tam, the Tavern of Tamalpais welcomed diners and dancers. Tamalpais Creek flows from the area into the bay north of Sausalito. Bay Area walkers and visitors from around the world have enjoyed rambling the slopes of Mount Tamalpais. Glorious panoramas of the Pacific coastline and San Francisco Bay were attracting walkers to the mountaintop well before Mt. Tam was preserved as a state park in 1928. View ship MODEL
USS Muir Woods AO-139 Launched, 9 March 1945 Muir Woods National Monument is a unit of the National Park Service in Marin County, California, 12 miles north of San Francisco. It protects 554 acres of forested area populated by Coast Redwood one of the last remaining stands in the immediate San Francisco Bay Area.
USS Alameda AO-10 Launched, 15 July 1919 Alameda is a city in California. It is located on a small island of the same name next to Oakland in the San Francisco Bay. The island that Alameda occupies was originally a peninsula connected to Oakland. Much of the peninsula was low-lying and marshy, but on higher ground the peninsula and adjacent parts of what is now downtown Oakland were home to one of the largest coastal oak forests in the world. The area was therefore called "Encinal," Spanish for "oak grove." "Alameda" is Spanish for "grove of poplar trees" or "tree-lined avenue," and was chosen in 1853 by popular vote.
USS Salinas AO-19 Launched, 16 March 1920
The Salinas River is the largest river of the central coast of California It flows north-northwest and drains the Salinas Valley that slices through the Coast Range south from Monterey Bay. The name first appears on an American map in 1858 as the Rio Salinas, perhaps because of the large salt flats noted near its mouth in that era.
USS Kaweah AO-15 Launched in 1919
Kaweah River is a river located in the foothills of the southern Sierra Nevada. The river's headwaters are in the Sequoia National Park. The river passes through the town of Three Rivers, California Lake Kaweah. The lake is formed by Terminus Dam, which is one of four dams on the river. Below Lake Kaweah, the river splits into many channels. Most of its water is used for irrigation, but some reaches Tulare Lake. The meaning of the word "kaweah" in the ancient Yokuts language is "crow" or "raven cry".

USS Cuyama AO-3 Launched, 17 June 1916

The Cuyama River is a river in southern San Luis Obispo County and northern Santa Barbara County, California. The 85-miles river is a tributary of the Santa Maria River, which is formed when the Cuyama River meets the Sisquoc River. When it becomes the Santa Maria River, it serves as the boundary between the two counties. The river and the reservoir are usually dry during the summer, when there is little or no rain. However, large flows can occur following winter storms. The river's course has been altered over its history by fault displacement.

USS Escalante AO-70 Acquired 30 January 1943
The Escalante River is a tributary of the Colorado River. It is formed by the confluence of North and Birch Creeks near the town of Escalante in south-central Utah, and from there flows southeast for approximately 90 miles before joining Lake Powell. It was the last river of its size to be discovered in the 48 contiguous U.S. states. The river was first mapped and named by Almon Thompson, a member of the 1872 John Wesley Powell. It was named after Silvestre Vélez de Escalante, a Franciscan missionary and the first European explorer of the region. In 1776, Escalante and his Spanish superior Francisco Atanasio Domínguez left from Santa Fe, New Mexico on an attempt to reach Monterey, California.[2] During this journey, usually referred to as the Dominguez-Escalante Expedition, Escalante and his companions passed by the Grand Canyon and were the first white men to enter Utah.

The Four Corners is a region of the United States consisting of southwest Colorado, northwest New Mexico, northeast Arizona and southeast Utah. The name comes from the Four Corners Monument, located where the four states touch — the only location in the United States that is on the boundaries of as many as four states.
USS Hassayampa AO-145 Launched, 12 September 1954

The Hassayampa River is a mostly underground river in Arizona, near Wickenburg. Within the Hassayampa River Canyon Wilderness, however, the river flows above-ground. The name of the river is Indian in origin and means "the river that flows upside down." When gold nuggets were discovered near the river's course before the American Civil War, the United States became a lot more interested in making this area a territory; afterwards many miners came to the area and "Hassayamper" started to mean someone who came to the area for the gold. After a while the meaning of the word changed to "old-timer." Eventually the river became linked in folklore to lying and exaggeration; supposedly drinking its water made a person unable to tell the truth. For some time "Hassayamper" or "Hassayamp" meant "liar," but that meaning has left the language enough for the Wickenburg, Arizona Chamber of Commerce to call its newsletter "The Hassayamper."

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