Erosion and related land use conditions on the Box elder creek project, Nebraska,
Mortlock, Harry Crawford, 1892-
Erosion and related land use conditions on the Box elder creek project, Nebraska, Box elder creek project, Nebraska by H. C. Mortlock ... and R. D. Greenawalt ... - [Washington, U.S. Govt. print. off., 1941] - 34 p. illus., maps. 26 cm. - U. S. Soil conservation service. Erosion survey no. 22 . - Erosion survey no. 22 .
7 fold. maps in pocket.
agr42000134
Land use--Nebraska.
Soil conservation--Nebraska.
S623 / .U44 no. 22
Erosion and related land use conditions on the Box elder creek project, Nebraska, Box elder creek project, Nebraska by H. C. Mortlock ... and R. D. Greenawalt ... - [Washington, U.S. Govt. print. off., 1941] - 34 p. illus., maps. 26 cm. - U. S. Soil conservation service. Erosion survey no. 22 . - Erosion survey no. 22 .
7 fold. maps in pocket.
agr42000134
Land use--Nebraska.
Soil conservation--Nebraska.
S623 / .U44 no. 22