Cascades Volcano Observatory - Mount St. Helens real-time hydrologic monitoring [ More info] Real-time and historic data from gaging stations for water and mudflow detection in the Mount St. Helens, WA vicinity with data tables and plots, interactive location map and station descriptions.
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.
Alphabetical Index of Topics
a b c d e f g h i j k l m n o p q r s t u v w x y z