Branch of Quality Systems monitors the consistent collection and reporting of water-quality data with documentation of field and laboratory methods and proficiency testing. Links to standard reference samples and quality assurance standards.
We are scanning all scales and all editions of approximately 250,000 topographic maps published by USGS since the inception of the topographic mapping program in 1884. They will be available to the public at no direct cost.
Online map system providing downloadable geospatial data, primarily NSDI framework themes (that is, general geographic data such as transportation, boundaries, hydrography, orthoimagery, land cover, and elevation).
Bibliography of published reports, maps, journal articles, and proceedings related to the water resources of Washington State as published by the U.S. Geological Survey, or in cooperation with other Federal or State agencies.