These map layers have been generated from the maps produced by Harold Fisk for the U.S. Army Corps of Engineers, Engineering Geology and Geophysics Branch, and were published in 1944. The original scans, rectified for projection, were downloaded from the website of the Corp's Engineering Gelology Mapping Program.
The images are in the public domain.
The tiles were generated with gdal2html.
- Sheet 1:
- Sheet 2:
- Sheet 3:
- Sheet 4:
GDAL2Tiles, Copyright © 2008 Klokan Petr Pridal, GDAL & OSGeo GSoC
Earthmarks Limited places the generated tiles in the public domain.
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