Land Boundary Information System
Mapping Data

DOQQ

UTM - MrSID
2004 Digital Orthographic Quarter-Quad
UTM - HPGN - MrSID
NOTE: WITH THE EXCEPTION OF THE SJRWMD, THESE IMAGES HAVE NOT BEEN THROUGH QA/QC PROCESS AT THIS TIME.
The 2004 DOQQs are available for download. The DOQQs are in MrSID file format. MrSID is a proprietary file format that compresses large images to a fraction of their original file size without quality loss.
BE SURE TO GET THE .SDW FILES! Data is stored by rows, so there are folders with Zone 16 and Zone 17 images in the same folder (images west of 84 degrees are Zone 16).
Enter FTP site using the link below:
The folders are organized by "Grid Row" (the first two digits of the DEP quad number) and the
files are identified by DEP quad numbers.
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Determining the File Name
Use the Quad Name Locator to find the
DEP quad number.
The file names begin with "Q", followed by the DEP quad number, followed by "NW", "NE", "SW", or "SE" to indicate quarter-quad position within the quad.
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