Hergert Quarry
From Underfoot
Q49418146
mine in Washington County, Oregon, United States of America
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Location: 45.4683, -123.08, KML, Cluster Map, Maps,
4 places
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Burnside Tunnel ⓘ
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File:West portal of NW Cornell Road Tunnel 1 in 2019.jpg NW Cornell Road Tunnel 1 ⓘ
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NW Cornell Road Tunnel 2 ⓘ
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Robertson Tunnel ⓘ
Train tunnel near Portland, Oregon
| Type | Subtype | Date | Description | Notes | Source |
|---|---|---|---|---|---|
| site | tunnel | Burnside Tunnel | road tunnel | Wikidata | |
| site | tunnel | NW Cornell Road Tunnel 1 | road tunnel | Wikidata | |
| site | tunnel | NW Cornell Road Tunnel 2 | road tunnel | Wikidata | |
| site | tunnel | Robertson Tunnel | railway tunnel | Wikidata | |