Soil Conservation, Volúmenes 33-34

acres Administrator agencies AMERICA THE BEAUTIFUL American assistance Association beauty Committee conservation plan conservation practices Conservation Program conservationist cooperation cost-sharing County Soil Creek crop cropland Department of Agriculture ditch drainage economic equipment erosion farm farmers Federal feedlot field fish flood Forest Forestry grass grazing illus improve inches industry irrigation lake landowners Lincoln Hills livestock McHenry County ment miles National natural resources needed Office operation ORVILLE L outdoor recreation park pasture percent Plains Conservation plant pollution pond Poteau River problems production Puerto Rico ranch range RC&D Project reservoirs river basin rural Scouts sediment seed servation servation District slopes soil and water Soil Conservation District Soil Conservation Service soil scientist soil surveys sponsors streams supervisors technical terraces tion District town trees trict unit conservationist urban USDA velopment Washington Water Conservation District watershed projects wildlife woodland