Pennsylvania Water Science Center
Maps
Many of our maps are published in USGS report series.
Flood Inundation Mapper - Pennsylvania
USGS Flood Inundation Mapper Web Application
Potential Radon Exposure from Groundwater and Indoor Air in Pennsylvania
The thumpnail map is figure 7 in
Gross, E.L., 2017, Evaluation of radon occurrence in groundwater from 16 geologic units in Pennsylvania, 1986–2015, with application to potential radon exposure from groundwater and indoor air: U.S. Geological Survey Scientific Investigations Report 2017–5018, 24 p., https://doi.org/10.3133/sir20175018.
Digital map data for this and other maps are available.