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.
Floor of Lake Tahoe, California and Nevada [ More info] Postcard available for downloading and printing.
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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