http://pubs.usgs.gov/sim/3279/ 

ISSN 2329-132X (online)

http://dx.doi.org/10.3133/sim3279/ 



Description of digital dataset files posted on this website:
	
sim3279_readme.txt - this file
	
	sim3279_metadata.txt - FGDC compliant metadata. Each geodatabase feature class also has its own metadata.        
	SIM3279.mdb - Personal Geodatabase
		SIM3279_DRG24k - Raster catalog of 24k topographic base maps           
		geo - Feature dataset for feature classes which have a topological relationship, and overlay polygons for pattern fills.
				
			SIM3279_line - feature class containing geologic contacts and faults 
			SIM3279_poly - feature class containing geologic unit polygons
			SIM3279_overlay - feature class containing geologic unit polygon patterns
		SIM3279_atd - feature class containing geologic structure data
		SIM3279_fold - feature class containing fold axes
		SIM3279_gln - feature class containing fractures
		SIM3279_kar - feature class containing karst data
		SIM3279_vpf - feature class containing volcanic point data
	SIM3279_DRG24k.lyr - layer file for symbolizing raster catalog