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ExcelMicrosoft Excel spreadsheets contain sheets of data, charts and graphs.
AccessMicrosoft Access files are databases of information.
Acrobat(PDF)Adobe Acrobat files are made from the many maps used in the first approximation report. If your browser has Acrobat Reader installed, the maps will automatically open in your browser window. The map files are large, but very detailed and allow you to zoom in on small areas.
 
 Readers are available from Adobe® Systems and are freeware. For questions about loading Adobe® Acrobat® Reader software onto your computer, or for technical assistance, please contact Adobe® Systems.
GIF/JPEGThese are graphic files. They should open automatically in your browser window, and can be saved to your local machine.
E00Map files containing detailed information. These files require Arch Info to view. For faster download, they have been compressed into zip format.
DATThese are companion files for the E00 files. They should be downloaded with E00´s when available.