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U.S. Geological Survey Open-File Report 01-187
Version 1.0
2001

Preliminary Lithogeochemical Map Showing Near-Surface Rock Types in the Chesapeake Bay Watershed, Virginia and Maryland

By John D. Peper, Lucy B. McCartan, J. Wright Horton, Jr., and James E. Reddy

Prepared in cooperation with the Virginia Division of Mineral Resources and the Maryland Geological Survey

thumbnail of map leading to gif image at larger size

The lithogeochemical map included in this report was compiled in Arc/Info. The complete report contains:


Consult the readme.txt file for a complete description of the report, including instructions for downloading and importing the files.

View the database explanation as an unformatted, ASCII text file: readme.txt (11 Kb)

View the map in Adobe Acrobat Portable Document Format. of01187p1.pdf (2.3 Mb). Go to Adobe Acrobat to download the free Acrobat Reader software if you you don't already have it.

View the text pamphlet of the report in Adobe Acrobat Portable Document Format: of01187.pdf (293 Kb). The PDF file is 26 pages on 8.5" x 11" paper and prints best on a 600 dpi laser printer.

UNIX Download the compressed data files in unprojected geographic coordinates with units in decimal degrees of01187_tar.gz (6.8 Mb)
PC Download the compressed data files in unprojected geographic coordinates with units in decimal degrees of01187.zip (7.0 Mb)

The paper map was designed and tested on a Hewlett Packard DesignJet 1055 series printer. Select this option if you have access to a large format printer capable of plotting PostScript files.  These files have been successfully printed from Arc/Info, Adobe Illustrator, and from the MS-DOS prompt using the "print" command.
UNIX Download the compressed file for printing the paper lithogeochemical map (Plate 1 of 1, 32" tall x 48" wide) in PostScript format. of01187p1_ps.gz (3.5 Mb compressed and 26.6 Mb uncompressed).
PC Download the compressed file for printing the paper lithogeochemical map (Plate 1 of 1, 32" tall x 48" wide) in PostScript format. of01187p1.zip (3.5 Mb compressed and 26.6 Mb uncompressed).

View the metadata files for this report.

This compact disc can be obtained by writing:

USGS Information Services
Box 25286, Federal Center
Denver, CO 80225
e-mail: infoservices@usgs.gov

For additional information contact:

J. Wright Horton, Jr.
U.S. Geological Survey
National Center, MS926A
Reston, VA 20192

J. Wright Horton, Jr.: whorton@usgs.gov

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