 Life at the post was harsh and the military's resolve to maintain a garrison here vacillated.Only after August 1852 did the temporary Camp Yuma became permanent Fort Yuma, and the Army resolved to stay for good.In November 1852 a steamboat, Uncle Sam was launched and in December began carrying a cargo up the Colorado River from Robinson's Landing it arrived at Fort Yuma and delivered thirty-two tons of goods on December 3.