Groundwater quality, hydrogeology, and agricultural drainage wells, Floyd and Mitchell Counties, Iowa /
prepared by R.D. Libra ... [et al.].
APA Citation
Libra, R. D., United States. Environmental Protection Agency. Region VII. (1994). Groundwater quality, hydrogeology, and agricultural drainage wells, Floyd and Mitchell Counties, Iowa. Iowa City, Iowa: Iowa Dept. of Natural Resources.
MLA Citation
Libra, Robert D., 1955-, and United States. Environmental Protection Agency. Region VII. Groundwater Quality, Hydrogeology, And Agricultural Drainage Wells, Floyd And Mitchell Counties, Iowa. Iowa City, Iowa: Iowa Dept. of Natural Resources, 1994.
Warning: These citations may not always be complete (especially for serials).