The Ore bin ; Vol. 33, No. 10 (October 1971)
- No. 10_ocr.pdf
11.06 MB Adobe PDF
- The Ore bin ; Vol. 33, No. 10 (October 1971)
- Geology markers along Oregon highways
- Thematic Classification -- Geography and Geology
- Historical markers -- Oregon
- Historical geology -- Oregon
- Oct-1971
- Oregon Department of Geology and Mineral Industries
- The Ore Bin
- vol. 33, no. 10
- Master files scanned at 600 dpi (256 Grayscale) using Capture Perfect 3.0 on a Canon DR-9080C in TIF format. PDF derivatives scanned at 300 dpi (256 Grayscale) using Capture Perfect 3.0 and OmniPage Professional 15.0 for textual OCR on a Canon DR-9080C.
- 0148-1827
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