Cooperative agreement between Iowa Geological Survey and the Soil Conservation Service, United States Department of Agriculture
Contributors: Iowa Geological Survey
Publisher: SCS?
Published: 1970
Place of publication: Washington, D.C.?
Language: eng
Subjects: Water quality management; Water quality
Notes: Caption title.

"Relative to: Gathering water quality and physical data in Big Springs Hatchery area of the Northeast Iowa Rivers Basin."