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Eleven Large Digital Maps

All maps images on this CD-ROM are TIFF format, RGB 24 bit color, and 72 dpi resolution, and readable by Mac or Win computers (price: $35). Resolution is expressed as the size of a pixel in terrain coverage.

The maps in this collection have been computed from the USGS 3 and 30 second elevation databases and from NOAA's 5 minute elevation database ETOPO-5.

Map Coverage Pixel Size Resolution File Size
World Map 3513 x 1757 10,000 meters 21 Mb
USA Map 4591 x 2496 1,000 meters 35 Mb

Map Coverage Pixel Size Resolution File Size
USA - Appalachian Fold 4841 x 4745 200 meters 74 Mb
USA - San Andreas fault 2880 x 3600 200 meters 30 Mb

Map Coverage Pixel Size Resolution File Size
USA - New England (Perspective) 5023 x 1927 100 meters 32 Mb
USA - Cascades (Perspective) 4765 x 1807 125 meters 30 Mb

Map Coverage Pixel Size Resolution File Size
USA - Rockies 2983 x 3589 200 meters 36 Mb
USA - Hawaii 3525 x 2369 200 meters 27 Mb

Map Coverage Pixel Size Resolution File Size
Globe - Centered on USA 1476 x 1476 8,000 meters 6 Mb
Globe - Centered on Greece 1476 x 1476 8,000 meters 6 Mb
Globe - Centered on Japan 1476 x 1476 8,000 meters 6 Mb

Digital Maps ©Copyright 1996 Chalk Butte Inc.

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