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The USGS Science Analytics and Synthesis Foundational Data Community supports the SAS mission by providing reliable scientific occurrence, habitat, taxonomic, and range data for terrestrial, freshwater and marine species and ecosystems and protected areas data for the U.S.. These datasets are each supported by an update plan that is determined to meet stakeholder and user needs. The datasets are national in scope and are an authoritative source for the information they provide.
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This Science Base Community is a home for ScienceBase items and data produced by the Cascades Volcano Observatory. The goal is to make it easier to organize, store, and share data sets that support research and monitoring efforts at volcanoes in the Cascades and elsewhere in the US.
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Drainage basin areas for 376 USGS streamgages in West Virginia and adjacent states were delineated digitally. The USGS Watershed Boundary Dataset HUC12 sub-watershed lines were used as outer limits of basins, and heads-up digitizing was used to delineate boundaries from the stream gage to the HUC12 boundary. The USGS National Map was used, as background, to show both contour lines and digital elevation to highlight drainage basin divides, ridges, and valleys. Basins were delineated for (1) all active continuous-flow and crest-stage streamgages, in West Virginia, through water year 2020, (2) selected inactive streamgages, in West Virginia and adjacent states, that were used in the flood-frequency report prepared...
    map background search result map search result map Drainage basins of selected streamgages in West Virginia through 2020 Drainage basins of selected streamgages in West Virginia through 2020