National Geologic Map Database
Product Description Page
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Title: Geology of the St. Helens quadrangle, Oregon
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Author(s): Wilkinson, W.D., Lowry, W.D., and Baldwin, E.M.
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Publishing Organization: Oregon Department of Geology and Mineral Industries
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Series and Number: Bulletin 31
- Publication Date: 1946
- Map Scale: 1:62,500
- Cross Section: Yes
- North Latitude: 46° 0' 0" N (46.0000)
- South Latitude: 45° 15' 0" N (45.2500)
- East Longitude: 122° 45' 0" W (-122.7500)
- West Longitude: 123° 0' 0" W (-123.0000)
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