Conquest of the land through 7,000 years
By: [W.C. Lowdermilk]
Contributors: United States. Natural Resources Conservation Service
Edition: Slightly revised
Series: Agriculture information bulletin -- no. 99; Agriculture information bulletin -- no. 99.
Published: 1999
Language: eng
Number of pages: 24
Subjects: Soil conservation; Land use; Agriculture; Soil erosion; History
Other titles: Conquest of the land through seven thousand years
Notes: Cover title.

"Issued August 1953; slightly revised August 1975; slightly revised February 1997; slightly revised September 1999"--Page 24.