National Geologic Map Database
Product Description Page
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Title: A tunnel runs through it -- an inside view of the Tualatin Mountains, Oregon
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Author(s): Walsh, Ken, Peterson, G.L., Beeson, M.H., Wells, R.E., Fleck, R.J., Evarts, R.C., Duvall, Alison, Blakely, R.J., and Burns, Scott
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Publishing Organization: U.S. Geological Survey
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Series and Number: Scientific Investigations Map SIM-3144
- Publication Date: 2011
- Map Scale: 1:2,000
- Cross Section: Yes
- North Latitude: 45° 30' 13" N (45.5036)
- South Latitude: 45° 29' 16" N (45.4878)
- East Longitude: 122° 40' 40" W (-122.6778)
- West Longitude: 122° 43' 44" W (-122.7289)
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