Excerpt from The Collection of Basic Data on Soil and Land-Use ConditionsThe acreage figures are identified so they can be compiled by any grouping of counties within a State and by major land resource areas, watersheds, soil conservation districts, or other desired areas that can be shown by boundaries on a map. Such compilations and summaries can be made by soil types, slope classes or erosion classes or by combina tions of these, or by land...
CHF 12.90
