Fort Yuma
Encyclopedia
Fort Yuma is a fort in California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

 that is located in Imperial County
Imperial County, California
Imperial County is a county located in the Imperial Valley, in the far southeast of the U.S. state of California, bordering both Arizona and Mexico. It is part of the El Centro Metropolitan Area, which encompasses all of Imperial County. The population as of 2000 was 142,361. The county seat is the...

, across the Colorado River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

 from Yuma, Arizona
Yuma, Arizona
Yuma is a city in and the county seat of Yuma County, Arizona, United States. It is located in the southwestern corner of the state, and the population of the city was 77,515 at the 2000 census, with a 2008 Census Bureau estimated population of 90,041....

. It was on the Butterfield Overland Mail
Butterfield Overland Mail
The Butterfield Overland Mail Trail was a stagecoach route in the United States, operating from 1857 to 1861. It was a conduit for the U.S. mail from two eastern termini, Memphis, Tennessee and St. Louis, Missouri, meeting Fort Smith, Arkansas, and continuing through Indian Territory, New Mexico,...

 route from 1858 until 1861 and was abandoned May 16, 1883, and transferred to the Department of the Interior. The Fort Yuma Indian School and a mission
Mission (Christian)
Christian missionary activities often involve sending individuals and groups , to foreign countries and to places in their own homeland. This has frequently involved not only evangelization , but also humanitarian work, especially among the poor and disadvantaged...

 now occupy the site. It is one of the "associated sites" listed as Yuma Crossing and Associated Sites
Yuma Crossing and Associated Sites
Yuma Crossing is a site in Arizona and California that is significant for its association with transportation and communication across the Colorado River. It connected New Spain and Las Californias in the Spanish Colonial period in and also during the Western expansion of the United States. ...

 on the National Register of Historic Places
National Register of Historic Places
The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...

 in the Yuma Crossing National Heritage Area.

Pre-Civil War

First established after the end of the Mexican-American War (1848), the fort was originally located in the bottoms near the Colorado River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

, less than a mile below the mouth of the Gila River
Gila River
The Gila River is a tributary of the Colorado River, 650 miles long, in the southwestern states of New Mexico and Arizona.-Description:...

. It was constructed to defend the newly settled community of Yuma, New Mexico Territory
New Mexico Territory
thumb|right|240px|Proposed boundaries for State of New Mexico, 1850The Territory of New Mexico was an organized incorporated territory of the United States that existed from September 9, 1850, until January 6, 1912, when the final extent of the territory was admitted to the Union as the State of...

, located on the other side of the Colorado River, and the nearby Mexican border.

In March 1851 the post was moved to a small elevation on the Colorado's west bank. This site had been occupied by Camp Calhoun, named for Senator John C. Calhoun
John C. Calhoun
John Caldwell Calhoun was a leading politician and political theorist from South Carolina during the first half of the 19th century. Calhoun eloquently spoke out on every issue of his day, but often changed positions. Calhoun began his political career as a nationalist, modernizer, and proponent...

. It was established on October 2, 1849, by 1st Lieutenant Cave J. Couts, 1st Dragoons, for the boundary survey party led by 2nd Lieutenant Amiel W. Whipple, Corps of Topographical Engineers. A ferry service, maintained by the soldiers for the survey party's convenience, also accommodated emigrants.

Fort Yuma was established during the Yuma War
Yuma War
The Yuma War was the name given to a series of United States military operations conducted in southern California and what is today southwestern Arizona from 1850 to 1853. The Yumans were the primary opponent of the United States Army, though engagements were fought between the Americans and other...

 to protect the southern emigrant travel route to California and to attempt control of the territorial Quechan
Quechan
The Quechan are a Native American tribe who live on the Fort Yuma Indian Reservation on the lower Colorado River in Arizona and California just north of the border with Mexico...

, or Yumans, in their homeland, the surrounding 100 miles (160.9 km) area. Established by Captain Samuel P. Heintzelman
Samuel P. Heintzelman
Samuel Peter Heintzelman was a United States Army General. He served in the Seminole War, the Mexican-American War, the Yuma War, the Cortina Troubles, and the American Civil War, rising to the command of a corps....

, 2nd Infantry Regiment
2nd Infantry Regiment (United States)
The 2nd Infantry Regiment is an infantry regiment in the United States Army. It has served the United States for more than two hundred years. It is the third oldest regiment in the US Army with a Lineage date of 1808 and a history extending back to 1791...

, the fort was originally named 'Camp Independence.'

In March 1851, when the post was moved to its permanent site, its name was changed to Camp Yuma. A year later the post was designated Fort Yuma. In June 1851 the Army virtually abandoned the post because of the high costs incurred in maintaining it, and it was completely abandoned on December 6, 1851, when its commissary was practically empty of provisions. The post, however, was reoccupied by Captain Heintzelman on February 29, 1852.

It was difficult to supply the post during its early years. Food supplies and construction materials were shipped by water from San Diego, California
San Diego, California
San Diego is the eighth-largest city in the United States and second-largest city in California. The city is located on the coast of the Pacific Ocean in Southern California, immediately adjacent to the Mexican border. The birthplace of California, San Diego is known for its mild year-round...

, around the Baja Peninsula and up the Sea of Cortez—Gulf of California to the mouth of the Colorado River at the Colorado River Delta
Colorado River Delta
The Colorado River Delta is the region where the Colorado River flows into the Gulf of California . The delta is part of a larger geologic region called the Salton Trough. Historically, the interaction of the river’s flow and the ocean’s tide created a dynamic environment, supporting freshwater,...

 in Mexico
Mexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

. The work of transferring the goods to wagons at that point and hauling them across the Yuma Desert
Yuma Desert
The Yuma Desert is a lower-elevation section of the Sonoran Desert in the southwestern United States and the northwest of Mexico. It is in the Salton basin. The desert contains areas of sparse vegetation and has notable areas of sand dunes. With an average rainfall less than 8 inches each...

 and Yuha Desert
Yuha Desert
The Yuha Desert is a section of the Sonoran Desert located in the Imperial Valley of California; south of Interstate 8, west of El Centro, CA, and north of the international border....

 to Yuma was rigorous and time consuming. Life at the post was harsh and the military's resolve to maintain a garrison
Garrison
Garrison is the collective term for a body of troops stationed in a particular location, originally to guard it, but now often simply using it as a home base....

 here vacillated. It was only two years later—in August 1852—that the temporary Camp Yuma became permanent Fort Yuma, and the Army resolved to stay for good.

Only one military action occurred at the fort when Yuman warriors surrounded it during the Yuma War, temporarily trapping the future general Thomas William Sweeny
Thomas William Sweeny
Thomas William Sweeny was an Irish soldier who served in the Mexican-American War and then was a general in the Union Army during the American Civil War.-Birth and early years:...

 and a few others.

Civil War

During the American Civil War
American Civil War
The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

, the Union retained control of Fort Yuma when the First California Infantry
1st California Infantry
The 1st Regiment California Volunteer Infantry was an infantry regiment in the Union Army during the American Civil War. It spent its entire term of service in the western United States.-History:...

 replaced Regular Army soldiers sent East in December 1861. The southern half of New Mexico Territory
New Mexico Territory
thumb|right|240px|Proposed boundaries for State of New Mexico, 1850The Territory of New Mexico was an organized incorporated territory of the United States that existed from September 9, 1850, until January 6, 1912, when the final extent of the territory was admitted to the Union as the State of...

 seceded, becoming the Confederate Territory of Arizona until 1863 when Union forces established their own Arizona Territory
Arizona Territory
The Territory of Arizona was an organized incorporated territory of the United States that existed from February 24, 1863 until February 14, 1912, when it was admitted to the Union as the 48th state....

 that same year. Fort Yuma served as the starting point when the California Column
California Column
The California Column, a force of Union volunteers, marched from April to August 1862 over 900 miles from California, across the southern New Mexico Territory to the Rio Grande and then into western Texas during the American Civil War. At the time, this was the longest trek through desert terrain...

 marched to western Texas
Texas
Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

. There was no battle action at the fort since the western United States was far removed from the Civil War.

Post-Civil War

Fort Yuma was closely associated with the Yuma Quartermaster Depot
Yuma Quartermaster Depot State Historic Park
Yuma Quartermaster Depot State Historic Park, formerly Yuma Crossing State Historic Park, and now one of the Yuma Crossing and Associated Sites on the National Register of Historic Places in the Yuma Crossing National Heritage Area. It is an Arizona state park in the city of Yuma, Arizona, USA.The...

 on the Arizona side of the river, which provided military supplies and personnel to posts throughout Arizona and New Mexico. The Quartermaster Depot operated between 1864 and 1891, though the Army terminated most operations there eight years earlier.

The depot was used by the Army to store and distribute supplies for all military posts in Arizona, Nevada, Utah, New Mexico and Texas during the Indian War period. A six-month supply of clothing, food, ammunition, and other goods was stored at the depot at all times. Supplies were brought from California by ocean vessels traveling around the Baja Peninsula to Port Isabel
Port Isabel, Sonora
Port Isabel was a seaport established in 1865 during the American Civil War in Sonora, Mexico near the mouth of the Colorado River on the Sea of Cortez to support the increased river traffic caused by the gold rush that began in 1862 on the Colorado River and the Yuma Quartermaster Depot newly...

 near the mouth of the Colorado River. There, cargos were transferred to river steamers and brought upstream to Yuma.

Supplies were unloaded at the depot and hauled up a track running from the dock to a storehouse. The depot quartered up to 900 mules and crews of teamsters to handle them. The Southern Pacific Railroad
Southern Pacific Railroad
The Southern Pacific Transportation Company , earlier Southern Pacific Railroad and Southern Pacific Company, and usually simply called the Southern Pacific or Espee, was an American railroad....

 reached Yuma in 1877. There was little need for the Quartermaster Depot and Fort Yuma, and they were abandoned on May 16, 1883. The reservation was transferred to the Interior Department on July 22, 1884.

Present day

Fort Yuma is now within the Quechan
Quechan
The Quechan are a Native American tribe who live on the Fort Yuma Indian Reservation on the lower Colorado River in Arizona and California just north of the border with Mexico...

 Indian Reservation
Indian reservation
An American Indian reservation is an area of land managed by a Native American tribe under the United States Department of the Interior's Bureau of Indian Affairs...

. Numerous historic buildings remain from the military period in the Yuma Crossing and Associated Sites
Yuma Crossing and Associated Sites
Yuma Crossing is a site in Arizona and California that is significant for its association with transportation and communication across the Colorado River. It connected New Spain and Las Californias in the Spanish Colonial period in and also during the Western expansion of the United States. ...

 in the Yuma Crossing National Heritage Area. The Yuma Territorial Prison
Yuma Territorial Prison
The Yuma Territorial Prison was a prison in the Arizona Territory of the United States and now in present day Yuma, Arizona. The Territorial Prison is one of the Yuma Crossing and Associated Sites on the National Register of Historic Places in the Yuma Crossing National Heritage Area.The site is...

 and Yuma Quartermaster Depot State Historic Park
Yuma Quartermaster Depot State Historic Park
Yuma Quartermaster Depot State Historic Park, formerly Yuma Crossing State Historic Park, and now one of the Yuma Crossing and Associated Sites on the National Register of Historic Places in the Yuma Crossing National Heritage Area. It is an Arizona state park in the city of Yuma, Arizona, USA.The...

s are in Arizona with buildings preserved or reconstructed, and with museums.

The Yuma Proving Grounds is the lineal Army descendant of these original military posts in the Yuma area.
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