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"OpenStreetMap contributors"
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USGS Water information; multiple downloadable datasets with spacial data and metadata. Sets range from surface geology to historical data about aquifers.
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View within SubmissionGathering Resources...The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined...-
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View within SubmissionGathering Resources...The USGS has worked in partnership with the State geological surveys of Kentucky, West Virginia, Maryland, Ohio, Pennsylvania, and Virginia to complete this assessment. In...-
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View within SubmissionGathering Resources...From the site: "The Geographic Information Retrieval and Analysis System (GIRAS) was developed in the mid 70s to put into digital form a number of data layers which were of...-
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View within SubmissionGathering Resources...From the site: "This dataset and the accompanying Data Series report was created to assist in analysis and interpretation of water-quality data provided by the U.S. Geological...-
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View within SubmissionGathering Resources... -