Pennsylvania Water Science Center


Many of our maps are published in USGS report series. 

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Date published: May 2, 2019

Flood Inundation Mapper - Pennsylvania

USGS Flood Inundation Mapper Web Application

Date published: May 1, 2019

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.,

Digital map data for this and other maps are available.