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The degree to which eelgrass on river deltas provides critical habitat for estuarine fishes, especially out‐migrating juvenile salmon, is an important scientific and management issue that bears on efforts to conserve and restore both eelgrass and fish.

This interactive webmap plots water-quality data from domestic and public-supply wells sampled by the USGS for the California Groundwater Ambient Monitoring and Assessment (GAMA) Program Priority Basin Project (GAMA-PBP), and allows users to download datasets. The GAMA-PBP is a cooperative program between the California State Water Resources Control Board and the U.S. Geological Survey.

Interactive map of the Mojave and Morongo groundwater basins. Data layers include sites and data for groundwater levels, water quality, and land subsidence. Groundwater data spans 1994 to the present.

This is a Story Map that provides a broad overview of the research performed at USGS that is relevant to the field of wildland fire science.

The USGS monitors current streamflow and water-quality conditions at various sites in the Animas and San Juan River Basins in Colorado, New Mexico, and Utah, including areas below the Gold King Mine release area. These streamgages provide continuous data on streamflow and select water-quality constituents including specific conductance, water temperature, pH, and turbidity.

This web mapping application allows users to make comparisons between national scale environmental datasets and Bacillus species and Bacillus anthracis detection results. The datasets include soil physical, chemical, and mineralogical data, current and historical climate data, landcover, and biological surveys.