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Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. The primary digital orthophotoquad (DOQ) is a 1-meter ground resolution, quarter-quadrangle (3.75-minutes of latitude by 3.75-minutes of longitude) image cast on the Universal Transverse Mercator Projection (UTM) on the North American Datum of 1983 (NAD83).The geographic extent of the DOQ is equivalent to a quarter-quad plus The overedge ranges a minimum of 50 meters to a maximum of 300 meters beyond the extremes of the primary and secondary corner points. The overedge is included to facilitate tonal matching for mosaicking and for the placement of the NAD83 and secondary datum corner ticks. The normal orientation...
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The grayscale Puerto Rico and U.S. Virgin Islands shaded relief data were derived from National Elevation Dataset (NED) data, and show the terrain of Puerto Rico and U.S. Virgin Islands at a resolution of 200 meters. The NED is a raster product assembled by the U.S. Geological Survey, designed to provide national elevation data in a seamless form with a consistent datum, elevation unit, and projection. Data corrections made in the NED assembly process minimize artifacts, permit edge matching, and fill sliver areas of missing data.
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This map layer is a grid map of 2001 average vegetation growth for Alaska and the conterminous United States. The nominal spatial resolution is 1 kilometer and the map layer is based on 1-kilometer AVHRR data. The data were compiled by staff at the USGS Center for Earth Resources Observation and Science.
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This map layer is a grid map of 1996 average vegetation growth for Alaska and the conterminous United States. The nominal spatial resolution is 1 kilometer and the map layer is based on 1-kilometer AVHRR data. The data were compiled by staff at the USGS Center for Earth Resources Observation and Science.
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.


map background search result map search result map Average Vegetation Growth 1996 Average Vegetation Growth 2001 Grayscale Puerto Rico and the U.S. Virgin Islands Shaded Relief – 200- Meter Resolution Black and White Digital Orthophoto Quarter-Quadrangles 1994 for Wyoming USGS US Topo 7.5-minute map for Cass Lake, MN 2016 USGS US Topo 7.5-minute map for Conners Island, MN-ON 2016 USGS US Topo 7.5-minute map for Elba, MN 2016 USGS US Topo 7.5-minute map for Huntersville, MN 2016 USGS US Topo 7.5-minute map for Isle, MN 2016 USGS US Topo 7.5-minute map for Jackfish Lake, MN-ON 2016 USGS US Topo 7.5-minute map for Johnson Landing NW, MN 2016 USGS US Topo 7.5-minute map for Karlstad, MN 2016 USGS US Topo 7.5-minute map for Karlstad SW, MN 2016 USGS US Topo 7.5-minute map for Warman, MN 2016 USGS US Topo 7.5-minute map for Waterville, MN 2016 USGS US Topo 7.5-minute map for Haxtun East, CO 2016 USGS US Topo 7.5-minute map for Haxtun West, CO 2016 USGS US Topo 7.5-minute map for Boracho Peak, TX 2016 USGS US Topo 7.5-minute map for Brickel, TX 2016 USGS US Topo 7.5-minute map for Homestake Reservoir, CO 2016 USGS US Topo 7.5-minute map for Cass Lake, MN 2016 USGS US Topo 7.5-minute map for Conners Island, MN-ON 2016 USGS US Topo 7.5-minute map for Elba, MN 2016 USGS US Topo 7.5-minute map for Huntersville, MN 2016 USGS US Topo 7.5-minute map for Isle, MN 2016 USGS US Topo 7.5-minute map for Jackfish Lake, MN-ON 2016 USGS US Topo 7.5-minute map for Johnson Landing NW, MN 2016 USGS US Topo 7.5-minute map for Karlstad, MN 2016 USGS US Topo 7.5-minute map for Karlstad SW, MN 2016 USGS US Topo 7.5-minute map for Warman, MN 2016 USGS US Topo 7.5-minute map for Waterville, MN 2016 USGS US Topo 7.5-minute map for Haxtun East, CO 2016 USGS US Topo 7.5-minute map for Haxtun West, CO 2016 USGS US Topo 7.5-minute map for Boracho Peak, TX 2016 USGS US Topo 7.5-minute map for Brickel, TX 2016 USGS US Topo 7.5-minute map for Homestake Reservoir, CO 2016 Black and White Digital Orthophoto Quarter-Quadrangles 1994 for Wyoming Grayscale Puerto Rico and the U.S. Virgin Islands Shaded Relief – 200- Meter Resolution Average Vegetation Growth 1996 Average Vegetation Growth 2001