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The Stream Conditions of Chester County Biological Monitoring Network was established by the U.S. Geological Survey and the Chester County Water Resources Authority in 1969. Benthic-macroinvertebrate, habitat, and stream chemistry data were collected annually from 1998-2021 at 18 fixed location sites. Additionally, nine flexible location sites were selected and sampled annually from 1998-2021. Some of the flexible location sites were sampled more than once over the study period. All data were collected in the fall months (October-November) during baseflow conditions. The benthic-macroinvertebrate data collected was used to calculate six metrics and to establish an index of biotic integrity for each sample, while...
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These vector contour lines are derived from the 3D Elevation Program using automated and semi-automated processes. They were created to support 1:24,000-scale CONUS and Hawaii, 1:25,000-scale Alaska, and 1:20,000-scale Puerto Rico / US Virgin Island topographic map products, but are also published in this GIS vector format. Contour intervals are assigned by 7.5-minute quadrangle, so this vector dataset is not visually seamless across quadrangle boundaries. The vector lines have elevation attributes (in feet above mean sea level on NAVD88), but this dataset does not carry line symbols or annotation.
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This child item dataset contains a single horizontal-to-vertical spectral ratio (HVSR) measurement from Delaware County, New York, DHVSR8. Raw and processed HVSR data for this HVSR measurement are included in a zipped directory named by the measurement site identifier. The HVSR data-collection sites are designated by a county sequential numbering system (DHVSR8, etc. where "D" indicates Delaware County).
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These data were collected using a 600 kHz Rio Grande ADCP (acoustic Doppler current profiler) in mode 12 from a moving boat. The data were georeferenced with a Hemisphere A101 Smart Antenna differential GPS. These data were processed with Teledyne RD Instruments' software, WinRiver II. These data were collected concurrently with several water quality parameters that were collected by an autonomous underwater vehicle (AUV) in the same reach. This data release supports the following publication: VonIns, B.L., and Jackson, P.R., 2017, Response of currents and water quality to changes in dam operations in Hoover Reservoir, Columbus, Ohio, August 24–28, 2015: U.S. Geological Survey Scientific Investigations Report 2017–5027,...
map background search result map search result map Survey of velocity and bathymetry in Hoover Reservoir, ADCP source data, Columbus, OH (August, 2015) USGS Topo Map Vector Data (Vector) 70178 Gilman IN (published 20221103) FileGDB USGS Topo Map Vector Data (Vector) 29723 Modoc IN (published 20221103) FileGDB USGS Topo Map Vector Data (Vector) 16928 Gas City IN (published 20221104) FileGDB USGS Topo Map Vector Data (Vector) 19509 Hartford City West IN (published 20221104) FileGDB USGS Topo Map Vector Data (Vector) 16945 Gaston IN (published 20221104) Shapefile USGS Topo Map Vector Data (Vector) 70621 Lake Eucha East OK Shapefile USGS Topo Map Vector Data (Vector) 20996 Hopkinton East, Iowa 20220430 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 20997 Hopkinton West, Iowa 20220429 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 27410 Manchester, Iowa 20220429 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 44970 Thorpe, Iowa 20220429 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 9496 Colcord NE, Arkansas 20200915 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 9496 Colcord NE, Arkansas 20200915 for 7.5 x 7.5 minute Shapefile USGS NED 1/3 arc-second Contours for Tulsa W, Oklahoma 20220725 1 x 1 degree Shapefile Bedrock elevation contours beneath main valleys in the Oneonta area, Otsego and Delaware Counties, New York Inferred dead-ice sink locations in the Oneonta area, Otsego and Delaware Counties, New York Oneonta study area, Otsego and Delaware Counties, New York Delaware County, New York: Horizontal-to-Vertical Spectral Ratio (HVSR) Soundings (2010) USGS Topo Map Vector Data (Vector) 23422 Ketchum OK GeoPackage Benthic-macroinvertebrate and habitat data in Chester, Delaware, and Philadelphia Counties, Pennsylvania, 1998-2021 Survey of velocity and bathymetry in Hoover Reservoir, ADCP source data, Columbus, OH (August, 2015) USGS Topo Map Vector Data (Vector) 70178 Gilman IN (published 20221103) FileGDB USGS Topo Map Vector Data (Vector) 29723 Modoc IN (published 20221103) FileGDB USGS Topo Map Vector Data (Vector) 16928 Gas City IN (published 20221104) FileGDB USGS Topo Map Vector Data (Vector) 19509 Hartford City West IN (published 20221104) FileGDB USGS Topo Map Vector Data (Vector) 16945 Gaston IN (published 20221104) Shapefile USGS Topo Map Vector Data (Vector) 70621 Lake Eucha East OK Shapefile USGS Topo Map Vector Data (Vector) 20996 Hopkinton East, Iowa 20220430 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 20997 Hopkinton West, Iowa 20220429 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 27410 Manchester, Iowa 20220429 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 44970 Thorpe, Iowa 20220429 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 9496 Colcord NE, Arkansas 20200915 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 9496 Colcord NE, Arkansas 20200915 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 23422 Ketchum OK GeoPackage Bedrock elevation contours beneath main valleys in the Oneonta area, Otsego and Delaware Counties, New York Inferred dead-ice sink locations in the Oneonta area, Otsego and Delaware Counties, New York Oneonta study area, Otsego and Delaware Counties, New York Benthic-macroinvertebrate and habitat data in Chester, Delaware, and Philadelphia Counties, Pennsylvania, 1998-2021 Delaware County, New York: Horizontal-to-Vertical Spectral Ratio (HVSR) Soundings (2010) USGS NED 1/3 arc-second Contours for Tulsa W, Oklahoma 20220725 1 x 1 degree Shapefile