Soil survey of Knox and Lincoln Counties, Maine /
United States Department of Agriculture, Soil Conservation Service ; in cooperation with Maine Agricultural Experiment Station and Maine Soil and Water Conservation Commission.

APA Citation

Hedstrom, G. T., Maine Soil and Water Conservation Commission., Maine Agricultural Experiment Station., United States. Soil Conservation Service. (1987). Soil survey of Knox and Lincoln Counties, Maine. [Washington, D.C.?]: The Service.

MLA Citation

Hedstrom, Gary T, Maine Soil and Water Conservation Commission, Maine Agricultural Experiment Station, and United States. Soil Conservation Service. Soil Survey of Knox And Lincoln Counties, Maine. [Washington, D.C.?]: The Service, 1987.