File:1981 ochi-report crh-mileposts pp87&89.png
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Summary
A comparison of the original Columbia River Highway concrete mileposts and the ones proposed by Diane Ochi in her 1981 report. The ones reconstructed for the highway in the 1990s did not incorporate Ochi's enhancements.
🖼 Ochi, Diane. Columbia River Highway: Options for Conservation and Reuse, National Park Service, pp. 87 & 89
📆 1981
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:48, 11 May 2021 | | 2,838 × 3,696 (916 KB) | Jonathan (talk | contribs) | A comparison of the original Columbia River Highway concrete mileposts and the ones proposed by Diane Ochi in her 1981 report. The ones reconstructed for the highway in the 1990s did not incorporate Ochi's enhancements.<br /> 🖼 Ochi, Diane. [http://npshistory.com/publications/columbia-river-highway.pdf ''Columbia River Highway: Options for Conservation and Reuse''], National Park Service, pp. 87 & 89<br /> 📆 1981 |
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