High Resolution 7.5' Quarter-Quad Orthoimages for the state of West Virginia, UTM Zone 17 for entire state, MrSID Compressed

Description

An orthoimage is remotely sensed image data in which displacement of features in the image caused by terrain relief and sensor orientation has been mathematically removed. Orthoimagery combines the image characteristics of a photograph with the geometric qualities of a map. For this dataset, 2-foot pixel resolution natural color digital orthimages were obtained from the West Virginia Statewide Addressing and Mapping Board. The orthoimages were mosaicked and reprojected by the USGS from the original 2-foot pixel, West Virginia North and South State Plane (feet) Coordinate Systems to Universal Transverse Mercator (UTM) (meters), Zone 17, NAD83 datum. Each orthoimage (DOQQ) provides the equivalent to a quarter of a 7.5-minute map (3.75 minutes of latitude and longitude) with overedge. The overedge is approximately 300 meters beyond the extremes of the corners of coverage. The naming convention is based on the U.S. Geological Survey 1:24,000 Topographic Map Series with the quadrant abbreviation, i.e. athens_ne.tif, etc. This data set covers the entire state of West Virginia including into UTM zone 17 on the east edge.

General Information

• This data is described at

  http://catalog.data.gov/dataset/high-resolution-7-5-quarter-quad-orthoimages-for-the-state-of-west-virginia-utm-zone-17-for-ent2e3aa Do you think this data is incorrect? Let us know

• This data is published by

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