Soil survey of Aitkin County, Minnesota /
United States Department of Agriculture, Natural Resources Conservation Service ; in cooperation with Minnesota Agricultural Experiment Station.

APA Citation

Nyberg, P. R. (Paul Roy)., Minnesota Agricultural Experiment Station., United States. Natural Resources Conservation Service. (1999). Soil survey of Aitkin County, Minnesota. [Washington, D.C.]: The Service.

MLA Citation

Nyberg, Paul R. (Paul Roy), 1935-, Minnesota Agricultural Experiment Station, and United States. Natural Resources Conservation Service. Soil Survey of Aitkin County, Minnesota. [Washington, D.C.]: The Service, 1999.

Warning: These citations may not always be complete (especially for serials).