Geologic Map Database of the Washington DC Area Featuring Data from Three 30 x 60 Minute Quadrangles: Frederick, Washington West, and Fredericksburg

U.S. Geological Survey Open-File Report 01-227

By Adam M. Davis, C. Scott Southworth, James E. Reddy, and J. Stephen Schindler

2001

The geologic maps included in this report were compiled in Arc/Info. The complete report contains:

• color maps
• text describing the geology and database files
• database files

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

View the text pamphlet of the report in Adobe Acrobat Portable Document Format: of01227.pdf (88 kb). The PDF file is 10 pages on 8.5" x 11" paper and prints best on a 600 dpi laser printer.

If you wish to download the latest version of Acrobat Reader free of charge, click here.

View the geologic units and geologic structure maps in Adobe Acrobat Portable Document Format:
Geologic Units Map (9.4 Mb)
Geologic Structure Map (8.2 Mb)

UNIX
Download the compressed data files in unprojected geographic coordinates with units in decimal degrees: of01227_tar.gz (37.3 Mb).

PC
Download the compressed data files in unprojected geographic coordinates with units in decimal degrees: of01227.zip (37.7 Mb).

The paper maps were 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 geologic units map (Plate 1 of 2, 50" tall x 35" wide) in PostScript format: of01227p1_ps.gz (12.4 Mb compressed and 62.2 Mb uncompressed).

Download the compressed file for printing the paper geologic structure map (Plate 2 of 2, 50" tall x 35" wide) in PostScript format: of01227p2_ps.gz (10.9 Mb compressed and 56.3 Mb uncompressed).

PC
Download the compressed file for printing the paper geologic units map (Plate 1 of 2, 50" tall x 35" wide) in PostScript format: of01227p1.zip (12.5 Mb compressed and 62.2 Mb uncompressed).

Download the compressed file for printing the paper geologic structure map (Plate 2 of 2, 50" tall x 35" wide) in PostScript format: of01227p2.zip (11.0 Mb compressed and 56.3 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

EESPT Home Page

USGS Home Page | USGS Geologic Information | USGS Help Page

For additional information contact:

C. Scott Southworth
U.S. Geological Survey
National Center, MS926A
Reston, VA 20192

C. Scott Southworth: ssouthwo@usgs.gov