Conquest of the land through seven thousand years
By: by W. C. Lowdermilk.
Edition: Slightly rev. Aug. 1975.
Series: U.S. Dept. of Agriculture. Agriculture information bulletin ; no. 99
Publisher: Soil Conservation Service, U.S. Dept. of Agriculture
Published: 1975
Place of publication: [Washington]
Language: eng
Number of pages: 30