Citations are generated automatically from bibliographic data as
a convenience, and may not be complete or accurate.
Chicago citation style:
United States Soil Conservation Service, Maine Agricultural Experiment Station, and Maine Soil And Water Conservation Commission. Progress map, national cooperative soil survey, Maine. Lanham, MD: USDA-SCS, 1980. Map. https://www.loc.gov/item/81690089/.
APA citation style:
United States Soil Conservation Service, Maine Agricultural Experiment Station & Maine Soil And Water Conservation Commission. (1980) Progress map, national cooperative soil survey, Maine. Lanham, MD: USDA-SCS. [Map] Retrieved from the Library of Congress, https://www.loc.gov/item/81690089/.
MLA citation style:
United States Soil Conservation Service, Maine Agricultural Experiment Station, and Maine Soil And Water Conservation Commission. Progress map, national cooperative soil survey, Maine. Lanham, MD: USDA-SCS, 1980. Map. Retrieved from the Library of Congress, <www.loc.gov/item/81690089/>.