USGS: Science Topics: Placer

Science Topics

Placer

county

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Results 1 - 5 of 5 listed alphabetically [list by similarity]

Assessment of Undiscovered Natural Gas Resources of the Sacramento Basin Province of California, 2006 [More info]: We estimated undiscovered, technically recoverable resources are 534 billion cubic feet of natural gas and 323 thousand barrels of natural gas liquids in this area using a geology-based assessment methodology.
California's Central Valley Groundwater Study: A Powerful New Tool to Assess Water Resources in California's Central Valley [More info]: Modeling effort that integrates a wide variety of geographic, hydrologic, agricultural, climatic, and biological information to help local land managers address resource use issues.
Extent of Pleistocene lakes in the western Great Basin [More info]: Map of Pleistocene pluvial lakes in the western Great Basin (Nevada, eastern California, southern Oregon). Includes metadata, online PDF map view, and downloadable ArcInfo export files, ArcView shapefiles, and TIFF files.
Geospatial Multi-Agency Coordination (GeoMAC) wildland fire perimeters, 2008 [More info]: Where the fires were, as GIS data in shapefile format, geographic coordinates, NAD83.
Groundwater quality in the Tahoe and Martis Basins, California [More info]: Recent study encountered occasional high values of radioactive trace elements, but the water quality in this area as monitored compares favorably to more urban areas studied by the same group.

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