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Lidar (Light detection and ranging) discrete-return point cloud data are available in the American Society for Photogrammetry and Remote Sensing (ASPRS) LAS format. The LAS format is a standardized binary format for storing 3-dimensional point cloud data and point attributes along with header information and variable length records specific to the data. Millions of data points are stored as a 3-dimensional data cloud as a series of x (longitude), y (latitude) and z (elevation) points. A few older projects in this collection are in ASCII format. Please refer to http://www.asprs.org/Committee-General/LASer-LAS-File-Format-Exchange-Activities.html for additional information.
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This is a tile of the standard one-meter resolution digital elevation model (DEM) produced through the 3D Elevation Program (3DEP) . The elevations in this DEM represent the topographic bare-earth surface. USGS standard one-meter DEMs are produced exclusively from high resolution light detection and ranging (lidar) source data of one-meter or higher resolution. One-meter DEM surfaces are seamless within collection projects, but, not necessarily seamless across projects. The spatial reference used for tiles of the one-meter DEM within the conterminous United States (CONUS) is Universal Transverse Mercator (UTM) in units of meters, and in conformance with the North American Datum of 1983 (NAD83). All bare earth elevation...
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This is the Original Product Resolution (OPR) Digital Elevation Model (DEM) as provided to the USGS. This DEM is delivered in the original resolution, with the original spatial reference. These data may be used as the source of updates to the seamless layers of the 3D Elevation Program, which serves as the elevation layer of the National Map. These data can be used by scientists and resource managers for global change research, hydrologic modeling, resource monitoring, mapping and visualization, and many other applications.
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The diversion of freshwater from the Mississippi River is intended to mitigate saltwater intrusion from the Gulf of Mexico and to lessen the concomitant loss of wetland areas. Though effective, freshwater diversion can affect wildlife and habitat; therefore, prediversion and postdiversion data collections are necessary to identify effects. The Davis Pond freshwater diversion area is located between the Mississippi River and Bayou Lafourche and extends to Barataria Bay Basin, Louisiana. Results and interpretations from the prediversion biomonitoring done in 2001- which included data on fish, eagles, and bivalves - are presented in the U.S. Geological Survey (USGS) Scientific Investigations Report 2008-5067, "Davis...
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The diversion of freshwater from the Mississippi River is intended to mitigate saltwater intrusion from the Gulf of Mexico and to lessen the concomitant loss of wetland areas. Though effective, freshwater diversion can affect wildlife and habitat; therefore, prediversion and postdiversion data collections are necessary to identify effects. The Davis Pond freshwater diversion area is located between the Mississippi River and Bayou Lafourche and extends to Barataria Bay Basin, Louisiana. Results and interpretations from the prediversion biomonitoring done in 2001- which included data on fish, eagles, and bivalves - are presented in the U.S. Geological Survey (USGS) Scientific Investigations Report 2008-5067, "Davis...
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The diversion of freshwater from the Mississippi River is intended to mitigate saltwater intrusion from the Gulf of Mexico and to lessen the concomitant loss of wetland areas. Though effective, freshwater diversion can affect wildlife and habitat; therefore, prediversion and postdiversion data collections are necessary to identify effects. The Davis Pond freshwater diversion area is located between the Mississippi River and Bayou Lafourche and extends to Barataria Bay Basin, Louisiana. Results and interpretations from the prediversion biomonitoring done in 2001- which included data on fish, eagles, and bivalves - are presented in the U.S. Geological Survey (USGS) Scientific Investigations Report 2008-5067, "Davis...
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The diversion of freshwater from the Mississippi River is intended to mitigate saltwater intrusion from the Gulf of Mexico and to lessen the concomitant loss of wetland areas. Though effective, freshwater diversion can affect wildlife and habitat; therefore, prediversion and postdiversion data collections are necessary to identify effects. The Davis Pond freshwater diversion area is located between the Mississippi River and Bayou Lafourche and extends to Barataria Bay Basin, Louisiana. Results and interpretations from the prediversion biomonitoring done in 2001- which included data on fish, eagles, and bivalves - are presented in the U.S. Geological Survey (USGS) Scientific Investigations Report 2008-5067, "Davis...
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The diversion of freshwater from the Mississippi River is intended to mitigate saltwater intrusion from the Gulf of Mexico and to lessen the concomitant loss of wetland areas. Though effective, freshwater diversion can affect wildlife and habitat; therefore, prediversion and postdiversion data collections are necessary to identify effects. The Davis Pond freshwater diversion area is located between the Mississippi River and Bayou Lafourche and extends to Barataria Bay Basin, Louisiana. Results and interpretations from the prediversion biomonitoring done in 2001 - which included data on fish, eagles, and bivalves - are presented in the U.S. Geological Survey (USGS) Scientific Investigations Report 2008-5067, "Davis...
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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 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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Layers of geospatial data include contours, boundaries, land cover, hydrography, roads, transportation, geographic names, structures, and other selected map features.
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Layers of geospatial data include contours, boundaries, land cover, hydrography, roads, transportation, geographic names, structures, and other selected map features.


map background search result map search result map Zinc Concentrations in Fish from the Davis Pond Freshwater Postdiversion Sampling (2007-2009) with a Comparison to Prediversion Levels (2001) Total Polychlorinated Biphenyl (PCB) Concentrations in Fish from the Davis Pond Freshwater Postdiversion Sampling (2007-2009) with a Comparison to Prediversion Levels (2001) Total Polycyclic Aromatic Hydrocarbons (PAHs) in Fish from the Davis Pond Freshwater Postdiversion Sampling (2007-2009) with a Comparison to Prediversion Levels (2001) Fish Health Data for the Davis Pond Freshwater Postdiversion Sampling, 2007-2009 Four-site Analysis of Variance (ANOVA) Results for Levels of Total Organic Contaminants in Fish Captured for Davis Pond Postdiversion Sampling, 2007-2009 USGS NED 1/3 arc-second Contours for Wood Mountain E, Saskatchewan 20160314 1 x 1 degree FileGDB 10.1 USGS Topo Map Vector Data (Vector) 10684 Crescent NE, Oregon 20170618 for 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Montgomery, Mississippi 20161030 7.5 x 7.5 minute Shapefile USGS Combined Vector for Northeast Pontotoc, Mississippi 20161026 7.5 x 7.5 minute Shapefile USGS Combined Vector for Tinajas Altas OE S, Arizona 20160915 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Ruby D-6 NW, Alaska 20160608 7.5 x 7.5 minute FileGDB 10.1 Digital Orthorectified Aerial Image of Cottonwood Lake Study Area Wetland P11 from 16 July 1998 Digital Orthorectified Aerial Image of Cottonwood Lake Study Area Wetlands P8 and T1 from 2015 USGS Lidar Point Cloud ME Western 2016 19TDL451079 LAS 2017 USGS NED one meter x73y399 TN 27County-blk2 2015 IMG 2017 USGS Combined Vector for Arkdale NE, Wisconsin 20160516 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Painted Rock, California 20160808 7.5 x 7.5 minute Shapefile USGS Combined Vector for Tipton SE, Oklahoma 20160520 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 5289 Brantford, North Dakota 20170917 for 7.5 x 7.5 minute FileGDB 10.1 USGS NED Original Product Resolution NY Cl-Ess-LChamp-P2 2014 18TWQ571924 IMG 2017 Digital Orthorectified Aerial Image of Cottonwood Lake Study Area Wetlands P8 and T1 from 2015 Digital Orthorectified Aerial Image of Cottonwood Lake Study Area Wetland P11 from 16 July 1998 USGS NED Original Product Resolution NY Cl-Ess-LChamp-P2 2014 18TWQ571924 IMG 2017 USGS Lidar Point Cloud ME Western 2016 19TDL451079 LAS 2017 USGS NED one meter x73y399 TN 27County-blk2 2015 IMG 2017 USGS Topo Map Vector Data (Vector) 10684 Crescent NE, Oregon 20170618 for 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Montgomery, Mississippi 20161030 7.5 x 7.5 minute Shapefile USGS Combined Vector for Northeast Pontotoc, Mississippi 20161026 7.5 x 7.5 minute Shapefile USGS Combined Vector for Tinajas Altas OE S, Arizona 20160915 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Arkdale NE, Wisconsin 20160516 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Painted Rock, California 20160808 7.5 x 7.5 minute Shapefile USGS Combined Vector for Tipton SE, Oklahoma 20160520 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 5289 Brantford, North Dakota 20170917 for 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Ruby D-6 NW, Alaska 20160608 7.5 x 7.5 minute FileGDB 10.1 Zinc Concentrations in Fish from the Davis Pond Freshwater Postdiversion Sampling (2007-2009) with a Comparison to Prediversion Levels (2001) Total Polychlorinated Biphenyl (PCB) Concentrations in Fish from the Davis Pond Freshwater Postdiversion Sampling (2007-2009) with a Comparison to Prediversion Levels (2001) Total Polycyclic Aromatic Hydrocarbons (PAHs) in Fish from the Davis Pond Freshwater Postdiversion Sampling (2007-2009) with a Comparison to Prediversion Levels (2001) Fish Health Data for the Davis Pond Freshwater Postdiversion Sampling, 2007-2009 Four-site Analysis of Variance (ANOVA) Results for Levels of Total Organic Contaminants in Fish Captured for Davis Pond Postdiversion Sampling, 2007-2009 USGS NED 1/3 arc-second Contours for Wood Mountain E, Saskatchewan 20160314 1 x 1 degree FileGDB 10.1