U.S. Geological Survey OFR 2007-1397
The map documents and shapefiles used to create the maps provided in this report can be found in the data folder. Map documents were created with ESRI ArcGIS 9.2 software. The shapefiles provided may also be viewed using other versions of ArcView, ArcGIS, or the freeware ArcGIS Explorer application.
PDF files may be viewed using Adobe Reader freeware.