There were three, and in addition a barge was taken from the quartermaster's department at Camp Mohave.

There were two land parties with supplies, and the river party, the latter composed of the following persons: First Lieutenant George M.Wheeler, U.S.Topographical Engineers; G.K.
Gilbert, geologist; W.J.Hoffman, naturalist; P.W.Hamel, topographer; T.H.O'Sullivan, photographer; E.M.Richardson, assistant topographer and artist; Frank Hecox, barometrical assistant; Frederick W.Loring, general assistant; six boatmen, six soldiers (one sergeant and five privates from Co.

G, 12th Infantry, stationed at Mohave) and "Captain" Asquit, and thirteen other Mohaves--in all thirty-four.

It was the fate of three of these, after escaping from the dangers of the great chasm, to be killed by an attack of Apaches on the Wickenburg stage.

These were Loring, Hamel, and Salmon.