00764cam a22002411a 4500 agr53000308 DLC 20260227111017.0 831216s1953 dcua f000 0 eng agr53000308 (OCoLC)10227545 DLC IMolD DNAL DLC S21 .A74 no. 99 1 Ag84Ab no.99 J800 Lowdermilk, W. C. (Walter Clay), 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 Land use. Soil conservation. 11502 11502