Conquest of the land through 7,000 years /
Lowdermilk, W. C. 1888-1974.
Conquest of the land through 7,000 years / [by W.C. Lowdermilk]. - Washington, D.C. : U.S. Dept. of Agriculture, Soil Conservation Service, 1953. - 30 p. : ill. ; 24 cm. - Agriculture information bulletin ; no. 99 .
agr53000308
Land use.
Soil conservation.
S21 / .A74 no. 99
1 / Ag84Ab no.99
Conquest of the land through 7,000 years / [by W.C. Lowdermilk]. - Washington, D.C. : U.S. Dept. of Agriculture, Soil Conservation Service, 1953. - 30 p. : ill. ; 24 cm. - Agriculture information bulletin ; no. 99 .
agr53000308
Land use.
Soil conservation.
S21 / .A74 no. 99
1 / Ag84Ab no.99