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Federal
NAIP Quarter-quad Index - NPS Quarter-quads of Interest
Department of the Interior —
Shape file of NAIP holdings for NPS quads of interest. This data set is a single shape file that shows the locations of Digital Orthophoto Quarter-quad (DOQQ) images... -
State
OSIP 2018 WM
State of Oregon —
This data layer is an element of the Oregon GIS Framework. A State Lambert mosaic derived from one-foot resolution color Digital Orthophoto Quadrangles (DOQ) of the... -
Federal
DOQ = USGS Digital Orthophoto Quadrangle: 1987 - 2006
Department of the Interior —
'Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. The primary digital orthophotoquadrangle (DOQ) is a 1-meter...