Great Lakes ice

APA Citation

United States. Environmental Data and Information Service., World Data Center A for Glaciology. (1980). Great Lakes ice. Boulder, Colo.: World Data Center A for Glaciology [Snow and Ice], Institute of Arctic and Alpine Research, University of Colorado.

MLA Citation

United States. Environmental Data and Information Service, and World Data Center A for Glaciology. Great Lakes Ice. Boulder, Colo.: World Data Center A for Glaciology [Snow and Ice], Institute of Arctic and Alpine Research, University of Colorado, 1980.