Water Quality from the Bluegrass Watershed, Audubon County, Iowa, 1987-1992 L. S. Seigley Published: 1996 Total Pages: 136 Get eBook
Technical Information Series - Iowa Geological Survey Iowa Geological Survey Published: 1976 Total Pages: 454 Get eBook
Groundwater Quality Observations from the Bluegrass Watershed, Audubon County, Iowa L. S. Seigley Published: 1991 Total Pages: 62 Get eBook
Groundwater Quality Response to Closure of Agricultural Drainage Wells in Floyd County, Iowa L. S. Seigley Published: 1999 Total Pages: 94 Get eBook
Agriculture and the Environment, Building Local Partnerships Published: 1996 Total Pages: 370 Get eBook