Database of the geologic map of North America, adapted from the map by J.C. Reed, Jr. and others (2005) Catalog Record - Electronic Resource Available

System requirements: Intel Pentium or Intel Xeon Processors, 512 MB minimum, ArcGIS Desktop 9.2 or higher, Windows Vista /Windows XP/Windows 2000 , ArcGIS Desktop 9.2 or higher, CD-ROM drive.