by Elizabeth V. Campbell, Harry A. Hibbitts, Scott T. Williams, Ian J. Duncan, Julia S. Reis, Julie M. Floyd, and Gerald P. Wilkes, CD-ROM containing digital files in ESRI shapefile format, metadata files and image,
2006. This CD-ROM contains geospatial data that is part of an on-going digital compilation of the geology along Interstate 81. The geospatial data within this open-file consists of the digital compilation of fifteen 1:24,000-scale geologic maps in Augusta and Rockingham Counties. These quadrangles are Greenville, Stuarts Draft, Staunton, Fort Defiance, Mount Sidney, Grottoes, Bridgewater, Harrisonburg, Broadway, Tenth Legion, New Market, Waynesboro West, Waynesboro East, Crimora and Parnassus. The data files are in ESRI shapefile format.