Geological phases of soil erosion investigation and control in Nebraska,

Condra, Geo. E. 1869-1958.

Geological phases of soil erosion investigation and control in Nebraska, by G. E. Condra. 1934. - [Lincoln] Printed by authority of the state of Nebraska, 1934. - 22 p. illus.

Cover title.

gs 35000087


Soils--Nebraska.
Erosion.

QE135 / .A43 no. 6

Powered by Koha