Index to Illinois digital orthophotoquads on CD-ROM held by the Illinois State Library.
Description
- Language(s)
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English
- Published
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[Springfield, Ill. : Illinois State Library], 2003.
- Summary
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The Illinois State Library (ISL) owns all of the U.S. Geological Survey Digital Orthophotoquads (DOQ) for Illinois. These DOQs are in GEO TIFF format and are based on all three NAPP (National Aerial Phtography Program) flights in Illinois: 1988, 1993 and 1998. Since the DOQs are arranged on CD-ROM by file number (not alphabetically by quad name or by the 5 digit block number from the topographic map index), library staff have created this alphabetical finding guide, which translates the quad name to CD file number.
- Note
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"August 2003."
Cover title.
Index refers only to the ISL map collection and is not intended to provide information on similar items at other locations.
- Physical Description
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1 v. [127 p.] ;
28 cm.
Viewability