Online Files for USA Geology

• View USA Geology larger image

• Download ARC/INFO 7 coverages. Tar.gz files of April 8, 1998.
  Must un-tar and unzip the files before using them.
  Both files contain a color map key as a coverage.
  Coverages and ARCVIEW 2.1 or 3.x project - 16 MB tar.gz file.
  Export files - 22 MB tar.gz file.
  PDF file of USA Geology (Map) - 172 MB
  PDF file of USA Geology (Key) - 14.3 MB
  Georegistered Geologic Map in JPG format - 77-MB zip archive.

• Map key, plain text.

• Professional Paper 901 - description of 1974 compilation and history of geologic maps of USA.
  Browse text with graphics
  Download text only, no graphics.
  Download and browse 3-MB Acrobat file with graphics.

• Errata and bug reports

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