Soil survey of the Solomonsville area, Arizona, by Macy H. Lapham and N.P. Neill.
Lapham, Macy H. (Macy Harvey),
Neill, N. P.
Govt. Print. Office,
At head of title: U.S. Department of Agriculture, Bureau of Soils.
"Advance sheets--Field operations of the Bureau of Soils, 1903."
S599.A7 L37 1904