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From the site: "Information on carbonatite deposits containing niobium and rare earth elements from around the world with grade and tonnage models, geologic setting, mineralogy,...
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View within SubmissionGathering Resources...From the site: "Information on sediment-hosted zinc-lead deposits from around the world with grade and tonnage models, a general classification based on geologic setting,...-
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View within SubmissionGathering Resources...From the site: "The USGS maintains a network of wells to monitor the effects of droughts and other climate variability on groundwater levels. The network consists of a national...-
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View within SubmissionGathering Resources...From the site: "Location and characteristics of 1,124 individual podiform chromite mineral deposits, with grade and tonnage models for chromium as well as several related...-
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View within SubmissionGathering Resources...From the site: "This tabular data set represents the mean annual natural groundwater recharge, in millimeters, compiled for every MRB_E2RF1catchment of selected Major River...-
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View within SubmissionGathering Resources...Geologic cross section C–C′ is the third in a series of cross sections constructed by the U.S. Geological Survey (USGS) to document and improve understanding of the geologic...-
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View within SubmissionGathering Resources... -