The role of standards in Iowa's groundwater protection program:
a report to the Iowa General Assembly / prepared by James Combs, et al.

APA Citation

Iowa. Department of Natural Resources., Combs, J. E., Brown, J. Edward., Wnuk, M., Smith, L., Kelley, R., Koch, D., Iowa Environmental Protection Commission. (1989). The role of standards in Iowa's groundwater protection program: a report to the Iowa General Assembly / prepared by James Combs, et al. Des Moines: Iowa Dept of Natural Resources.

MLA Citation

Iowa Environmental Protection Commission, et al.. The Role of Standards In Iowa's Groundwater Protection Program: a Report to the Iowa General Assembly / Prepared by James Combs, Et Al. Des Moines: Iowa Dept of Natural Resources, 1989.