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Federal
Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands recent views
Department of the Interior —
This map layer contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, portrayed as polygons.... -
Federal
Thickness of Coarse-Grained Sediment within the Glacial Deposits recent views
Department of the Interior —
The glacial aquifer system of the United States encompasses all or parts of 25 states and is the most widely used supply of drinking water in the Nation (Maupin and... -
Federal
Alluvial and Glacial Aquifers recent views
Department of the Interior —
This data set represents the extent of the alluvial and glacial aquifers north of the southern-most line of glaciation. Aquifers are shown in the States of Maine,... -
Federal
Bedrock Lithology for Glaciated Conterminous United States recent views
Department of the Interior —
The bedrock geology for the Glacial Environments and Surficial Sediments (GESS) geodatabase is an amalgamation of several “Integrated Geologic Map Databases for the... -
Federal
Digital products from a hydrogeologic framework for Quaternary sediments within the glaciated conterminous United States recent views
Department of the Interior —
This data release is a compilation of the digital products from a hydrogeologic framework of the glaciated conterminous United States that were constructed to portray... -
Federal
Data used to evaluate drinking water quality in the glacial aquifer system, northern USA recent views
Department of the Interior —
This data release contains groundwater-quality data and well information for the glacial aquifer system in the northern USA. Water-quality data and well information... -
Federal
Lithologic Logs in the Glaciated Conterminous United States recent views
Department of the Interior —
The Lithologic Logs dataset includes state well records, and the well logs were standardized so that the lithologic information used a consistent terminology by... -
Federal
Groundwater data, predictor variables, and rasters used for predicting the probability of high arsenic and high manganese in the Glacial Aquifer System, northern continental United States recent views
Department of the Interior —
This data release contains input data used in model development and TIF raster files used to predict the probability of high arsenic (As) and high manganese (Mn) in... -
Federal
Total Thickness of Glacial Deposits recent views
Department of the Interior —
The glacial aquifer system of the United States encompasses all or parts of 25 states and is the most widely used supply of drinking water in the Nation (Maupin and... -
Federal
Texture-Based Estimated Equivalent Vertical Hydraulic Conductivity of the Glacial Deposits recent views
Department of the Interior —
The glacial aquifer system of the United States encompasses all or parts of 25 states and is the most widely used supply of drinking water in the Nation (Maupin and... -
Federal
Sediment and Aquifer Characteristics of Quaternary Sediments in the Glaciated Conterminous United States recent views
Department of the Interior —
The Sediment and Aquifer Characteristics dataset includes two, grid-based polygon feature classes. The first class uses a five-kilometer grid to show the density of... -
Federal
Groundwater Usage for Public Supply by County in the Glaciated Conterminous United States recent views
Department of the Interior —
The Groundwater Usage for Public Supply dataset contains attributes pertaining to groundwater use in the glaciated conterminous United States summarized by county.... -
Federal
Texture-Based Estimated Equivalent Horizontal Hydraulic Conductivity of the Glacial Deposits recent views
Department of the Interior —
The glacial aquifer system of the United States encompasses all or parts of 25 states and is the most widely used supply of drinking water in the Nation (Maupin and... -
Federal
Groundwater data, predictor variables, and rasters used for predicting redox conditions in the glacial aquifer, northern continental United States recent views
Department of the Interior —
This data release contains input data used in model development and TIF raster files used to predict the probability of low dissolved oxygen (DO) and high dissolved... -
Federal
Geo-chemical Correction of Carbon-14 in Dissolved Inorganic Carbon used for Groundwater Age Dating in the Glacial Aquifer System, Conterminous United States recent views
Department of the Interior —
Data provided here describe geochemical correction of carbon-14 in dissolved inorganic carbon (DIC) for groundwater age dating. Datasets include major ion chemistry... -
Federal
Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands recent views
Department of the Interior —
This map layer contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, portrayed as polygons.... -
Federal
Texture-Based Estimated Equivalent Transmissivity of the Glacial Deposits recent views
Department of the Interior —
The glacial aquifer system of the United States encompasses all or parts of 25 states and is the most widely used supply of drinking water in the Nation (Maupin and...