National Geologic Map Database
General Information
- Title: Geologic map of the Portland area, Oregon
- Author(s): Treasher, R.C.
- Publishing Organization: Oregon Department of Geology and Mineral Industries
- Series and Number: Quadrangle Map 9
- Publication Date: 1942
- Map Scale: 1:96,000
- Cross Section: Yes
- North Latitude: 45° 34' 48" N (45.5800)
- South Latitude: 45° 15' 0" N (45.2500)
- East Longitude: 122° 15' 0" W (-122.2500)
- West Longitude: 122° 45' 0" W (-122.7500)
- Corrections to this entry?
* See base map disclaimer below.
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Geologic units referred to in Geolex
- This product is available, please note the publication series and number, and then contact:
- Oregon Department of Geology and Mineral Industries
- 800 NE Oregon Street, Suite 965
- Portland, OR 97232-2162
- Phone: (971) 673-1555
- Fax: (971) 673-1562
- Email: dogami-info@oregon.gov
* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.