Ground water resources, Polk County /
compiled by Carol A. Thompson.
APA Citation
Thompson, C. A., Iowa Geological Survey. (1982). Ground water resources, Polk County. [Iowa City, Iowa]: Iowa Geological Survey.
MLA Citation
Thompson, Carol A, and Iowa Geological Survey. Ground Water Resources, Polk County. [Iowa City, Iowa]: Iowa Geological Survey, 1982.
Warning: These citations may not always be complete (especially for serials).