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USGS WAUSP Water Census: Map of National Brackish Groundwater Assessme

By Water Resources Mission Area 2018 (approx.)
USGS WAUSP Water Census: Map of National Brackish Groundwater Assessment
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Detailed Description

USGS WAUSP Water Census: Map of National Brackish Groundwater Assessment from USGS professional paper 1833 "Brackish Groundwater In The United States."

Sources/Usage

Public Domain.