Skyline Quarry
From Underfoot
Q49449475
mine in San Mateo County, California, United States of America
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Location: 37.5061, -122.36, KML, Cluster Map, Maps,
6 places
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Devil’s Bunker ⓘ
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Rockaway quarry ⓘ
abandoned limestone quarry in Pacifica, California -
Market Street Subway ⓘ
subway tunnel in San Francisco, California, United States -
Sunset Tunnel ⓘ
Streetcar tunnel in San Francisco, California, United States -
Tom Lantos Tunnels ⓘ
second and third longest tunnels in the State of California -
Twin Peaks Tunnel ⓘ
tunnel in San Francisco, California
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| Type | Subtype | Date | Description | Notes | Source |
|---|---|---|---|---|---|
| organisation | business | Kobold Metals | software, mining, business | Wikidata | |
| site | bunker | Devil’s Bunker | place, bunker | Wikidata | |
| site | mine | 1776 | Rockaway quarry | quarry | Wikidata |
| site | tunnel | Market Street Subway | subway tunnel | Wikidata | |
| site | tunnel | Sunset Tunnel | subway tunnel, San Francisco Municipal Railway | Wikidata | |
| site | tunnel | Tom Lantos Tunnels | road tunnel, California Department of Transportation | Wikidata | |
| site | tunnel | Twin Peaks Tunnel | San Francisco Municipal Railway, railway tunnel | Wikidata | |