Toppin, K. W. (1987). Hydrogeology of stratified-drift aquifers and water quality in the Nashua Regional Planning Commission area, south-central New Hampshire. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationToppin, Kenneth W. Hydrogeology of Stratified-drift Aquifers and Water Quality in the Nashua Regional Planning Commission Area, South-central New Hampshire. Bow, N.H.: Dept. of the Interior, U.S. Geological Survey, 1987.
MLA (9th ed.) CitationToppin, Kenneth W. Hydrogeology of Stratified-drift Aquifers and Water Quality in the Nashua Regional Planning Commission Area, South-central New Hampshire. Dept. of the Interior, U.S. Geological Survey, 1987.
Warning: These citations may not always be 100% accurate.