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# Explore Search: District of Columbia

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## By Year

publication        March 29, 2013        Statistical classification of hydrogeologic regions in the fractured rock area of Maryland and parts of the District of Columbia, Virginia, West Virginia, Pennsylvania, and Delaware

publication        January 1, 1978        Summary appraisals of the nation's ground-water resources – Mid-Atlantic region

Charts or Graphs        February 19, 2021        Chesapeake Bay Watershed boundary, USA

publication        March 10, 2023        Wastewater reuse and predicted ecological risk posed by contaminant mixtures in Potomac River watershed streams

publication        June 1, 2021        Post-white-nose syndrome passive acoustic sampling effort for determining bat species occupancy within the mid-Atlantic region

National News Release        February 18, 2015        Conowingo Dam Above 90 Percent Capacity For Sediment Storage

publication        December 1, 1998        Preliminary results from the investigation of the Pymatuning earthquake of September 25, 1998

publication        October 26, 2015        Strategy to evaluate persistent contaminant hazards resulting from sea-level rise and storm-derived disturbances—Study design and methodology for station prioritization

publication        June 28, 2019        The presence of antibiotic resistance genes in coastal soil and sediment samples from the eastern seaboard of the USA

publication        April 2, 2020        Low threshold for nitrogen concentration saturation in headwaters increases regional and coastal delivery

publication        January 1, 2018        Thresholds of lake and reservoir connectivity in river networks control nitrogen removal

publication        March 1, 2013        Observed changes in phenology across the USA: A regional review for the 2013 National Climate Assessment, Northeast Regional Information Sheet

Data Release        November 28, 2017        Analytical inorganic chemistry results for samples collected for the Sediment-Bound Contaminant Resiliency and Response Strategy pilot study, northeastern United States, 2015