Description: This index corresponds to the coverage of DVRPC's PA State Plane (South Zone) orthoimagery in the 5-county, Pennsylvania portion of the DVRPC region.Each polygon is attributed with the source of the 2015 imagery for that particular tile; either Quantum Spatial, US Army Corps of Engineers (USACE) and AXIS Geospatial, or a combination thereof.
Copyright Text: Delaware Valley Regional Planning Commission
Description: An orthoimage is remotely sensed image data in which displacement of features in the image caused by terrain relief and sensor orientation have been mathematically removed. Orthoimagery combines the image characteristics of a photograph with the geometric qualities of a map.
Copyright Text: Delaware Valley Regional Planning Commission