1. Recharge Area Delineation of the Pautler Cave System and Annbriar Spring in Monroe County;Aley,2001
2. Monroe County Recharge Area Delineations - Final Report;Aley,2009
3. Septic Fields and the Protection of Ground-Water Quality in Greene County, Missouri. Unpublished Report by the Ozark Underground Laboratory to the City of Springfield, MO;Aley,1984
4. Delineation of Recharge Areas for Four Biologically Significant Cave Systems in Monroe and St. Clair Counties, Illinois;Aley,2000
5. Standard Methods for the Examination of Water and Wastewater;American Public Health Association,1992