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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 Barber, 2005; Maupin and Arnold, 2010). A series of seven raster data sets were derived from a database of water-well drillers' records that was compiled in partial fulfillment of the goals of the U.S. Geological Survey’s Groundwater Availability and Use assessment program (U.S. Geological Survey, 2002). They contain hydrogeologic information for areas of the U.S. that are north of the southern limit of Pleistocene glaciation, including the total thickness of glacial deposits, thickness of coarse-grained sediment within the glacial deposits, specific-capacity...
The State of Alaska's Strategic and Critical Minerals (SCM) Assessment project, a State-funded Capital Improvement Project (CIP), is designed to evaluate Alaska's statewide potential for SCM resources. The SCM Assessment is being implemented by the Alaska Division of Geological & Geophysical Surveys (DGGS), and involves obtaining new airborne-geophysical, geological, and geochemical data. For the geochemical part of the SCM Assessment, thousands of historical geochemical samples from DGGS, U.S. Geological Survey (USGS), and U.S. Bureau of Mines archives are being reanalyzed by DGGS using modern, quantitative, geochemical-analytical methods. The objective is to update the statewide geochemical database to more clearly...
The Alaska AMOCO geological sample collection contains sample number DR-41-I3 with the following attributes raw, core, sediment
The Alaska AMOCO geological sample collection contains sample number NL-28 with the following attributes raw, core, sediment
The Alaska AMOCO geological sample collection contains sample number NL-29 with the following attributes raw, core, sediment
The Alaska AMOCO geological sample collection contains sample number NL-26 with the following attributes raw, core, sediment
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 Barber, 2005; Maupin and Arnold, 2010). A series of seven raster data sets were derived from a database of water-well drillers' records that was compiled in partial fulfillment of the goals of the U.S. Geological Survey’s Groundwater Availability and Use assessment program (U.S. Geological Survey, 2002). They contain hydrogeologic information for areas of the U.S. that are north of the southern limit of Pleistocene glaciation, including the total thickness of glacial deposits, thickness of coarse-grained sediment within the glacial deposits, specific-capacity...
This Benthic Invertebrate Community Analysis dataset, a conceptual subgroup of the Lake Erie Ecological Investigations (LEEI) dataset, focuses on the benthic invertebrates sampled at Areas of Concern (AOCs) on Lake Erie. Per the Quality Assurance Project Plan (QAPP), the invertebrate samples were taken from sediments remaining from the sediment analysis. Identification of the invertebrates was completed by the same invertebrate taxonomist for both the 1998-2000 evaluation and 1986-87 historical evaluation (Smith et al. 1994) for increased consistency. Oligochaetes were identified to species if possible, chironomids were identified to genus, as adult specimens are needed for specific identification, and other taxa...
This metadata record documents 11 comma delimited tables representing the amount of reported best management practice (BMP) implementation for the years from 1985 to 2014 at three geographic scales: county or land-river modeling segment, River Input Monitoring (RIM) station drainage areas, and the entire Chesapeake Bay Watershed (CBWS). Data originated from the Chesapeake Bay Watershed jurisdictions including Maryland, Pennsylvania, Virginia, Delaware, New York, West Virginia, and the District of Columbia. Data were reported to the Chesapeake Bay Program for an annual review of progress toward meeting nitrogen, phosphorus, and sediment reduction goals.
The Alaska AMOCO geological sample collection contains sample number NL-22 with the following attributes raw, core, sediment
The Alaska AMOCO geological sample collection contains sample number NN-16 with the following attributes raw, core, sediment
The Alaska AMOCO geological sample collection contains sample number NZ-18 with the following attributes raw, core, sediment
The Alaska AMOCO geological sample collection contains sample number NSS-16 with the following attributes raw, core, sediment
The Alaska AMOCO geological sample collection contains sample number NN-100-13 with the following attributes raw, core, sediment
The Alaska AMOCO geological sample collection contains sample number NUU-2 with the following attributes raw, core, sediment
The Alaska AMOCO geological sample collection contains sample number NVV-11 with the following attributes raw, core, sediment
The Alaska AMOCO geological sample collection contains sample number NUU-200-9 with the following attributes raw, core, sediment
The Alaska AMOCO geological sample collection contains sample number NRR-2 with the following attributes raw, core, sediment
The Alaska AMOCO geological sample collection contains sample number NRR-10 with the following attributes raw, core, sediment
The Alaska AMOCO geological sample collection contains sample number NRR-3 with the following attributes raw, core, sediment
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