1. Microbiological quality of water from noncommunity supply wells in carbonate and crystalline aquifers of Pennsylvania Author/Creator: Lindsey, Bruce D., 1962- Publication/Creation: Denver, Colo. : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading
2. MTBE concentrations in ground water in Pennsylvania Author/Creator: McAuley, Steven D. Publication/Creation: Denver, Colo. : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading