Rowid_,SOURCE_ID,SCALE,AUTHORS,YEAR,REFERENCE
,1.000000000000000,100000,"USGS, National Mapping Division",1993,"1:100,000-scale digital line graph (DLG) data - hydrography and transportation, Area 12 - Northwestern states: U.S.Geological Survey, US GeoData (optional format), CD-ROM."
,41.000000000000000,500000,"Walker, G.W. and McLeod, N.S.",1991,"Geologic map of Oregon: U.S. Geological Survey, 2 plates, scale 1:500,000."