Forts. Fort Yuma (California) Diary of a ferryman & trader at Fort Yuma 1855-1857. Historical society of southern . California. Annual pub. v.14, no.l r.89 Heports regarding abandoned military reservations. 48th gong., 1.st seas., ben. t,x. boc.25, aer.2162 p 4 Two letters written by Sylvester Mowry from Fort Yuma. Westerners New York Posse v.15 #2 1968 p.28-30,42