Description
Map of the Bull Run watershed, showing surface geology. Cross-sections show stratigraphic data for specific point-to-point locations. The map cites source geology dated 1973. Visit City of Portland Archives for more https://efiles.portlandoregon.gov/Record/2955401/
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Rights undetermined (the copyright and related rights status of this work is unknown).
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- PUmap_000015
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- A2000-006, M/1237
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