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Related Historical Markers
By Cosmos Mariner, July 13, 2015
Oneonta Tunnel Marker (tall view; west tunnel portal in background)
SHOWN IN SOURCE-SPECIFIED ORDER
1 ► Oregon, Multnomah County, Cascade Locks — Oneonta Tunnel — Revisit the Past —  |
| The US Department of Agriculture describes cedar as possessing a natural resistance to rot… It is well recognized for its longevity and strength above other wood products. Oneonta Bluff presented an obstacle to engineer Samuel C. . . . — — Map (db m112251) HM | |||
| 2 ► Oregon, Multnomah County, Cascade Locks — Oneonta Gorge — A Secret Garden — |
| Using the sun’s energy, the chlorophyll in a plant’s leaves produce sugars and starches that nourish the plant. Shafts of light dance briefly through this deep canyon, illuminating shade-tolerant ferns, mosses, and lichens . . . — — Map (db m112252) HM | |||