Biodiversity Heritage Library

By: Hays, O. E - United States. Soil Conservation Service. - University of Wisconsin--Madison. Agricultural Experiment Station.

Edition:

Publication info: Washington, D.C, U.S. Dept. of Agriculture, Soil Conservation Service, 1950

Volume: no.94

Series:

Holding Institution: U.S. Department of Agriculture, National Agricultural Library

Subjects:

BHL Collections: