Conquest of the land through seven thousand years
Edition: Rev. slightly.
Series: United States. Soil Conservation Service. S. C. S -- MP-32; SCS-MP -- 32
Publisher: U.S. Govt. Print. Off.
Published: 1950
Place of publication: Washington
Language: eng
Number of pages: 38
Subjects: Land utilization; History; Soil conservation; Soil erosion; Erosion; Agriculture
Notes: Cover title.