The National Cooperative Soil Survey in the United States
By: by Roy D. Hockensmith
Contributors: United States. Soil Conservation Service
Series: SCS-TP -- 138
Publisher: U.S. Dept. of Agriculture, Soil Conservation Service
Published: 1960
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 10
Subjects: Soil surveys
Notes: "August 1960."