Harris’ Photogrammetric Experts Ensure Data Quality for Large-scale Mapping Project Situation In 2004, Denver Regional Council of Governments (DRCOG) approached Harris Geospatial Solutions, (formerly MapMart), to help create and implement a quality control program for its Denver Regional Aerial Photography Project (DRAPP). Harris Geospatial worked with DRCOG on a data acceptance testing (DAT) program to ensure consistent quality and known accuracy for aerial collections of 6,500 to 7,000 square miles of 3-inch, 6-inch and 12-inch per pixel 4 band (RGBNir) color ortho mosaic data of the Denver metropolitan area. Since the program’s inception, DRCOG has contracted for new data collections every two years. Harris Geospatial continues to provide quality control support to ensure the data meet

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