GIS Lookup: Keyword Search
External Data Sources
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US Government Maintained Portal: GeoPlatform.gov
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TX: Major Aquifers TX: Minor Aquifers sole_source_aquifers_wm
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National Sole Source Aquifer GIS Layer Aquifers Observed, predicted, and misclassification error data for observations in the training datset for nitrate and arsenic concentrations in basin-fill aquifers in the Southwest Principal Aquifers study.
Other Data Sources, incl. Commercial and International: NSGIC GIS Inventory | CIESIN World Data Center
NCSU Data Collection
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Acquifers, Arsenic, Bodies Of Water, Dams, Glaciers, Groundwater, Ground Water Climate Response Network, Hydrography, Hydrologic Units, Hydrology, National Atlas, Sea Ice, Streamflow, Streams, Surface Water Sampling Sites, Watersheds, Water Use Statistics
Legacy denotes outdated data. A more recent version likely exists. Consider an "External Data Source" option linked above, or click the Collection link for updated source options.