CALIFORNIA
Map Type
Description
FTP Download
Calibration Files only download (.map)
State scale (highways, land use, aeronautical, city streets)
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250K (1 x 2 degree USGS topographical)
100K (30 x 60 minute USGs topographical)
24K / Quads (7.5 minute USGS topographical)
See List
Special (usually conjoined topographical maps for unique areas)
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Calibration tracks (use these GPS tracks to check your calibrations)
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