Martin Stone Quarries
From Underfoot
Q49429961
mine in Berks County, Pennsylvania, United States of America
-
Location: 40.3817, -75.6283, KML, Cluster Map, Maps,
4 places
-
Crystal Cave ⓘ
show cave in Pennsylvania -
Black Rock Tunnel ⓘ
railway tunnel in Phoenixville, Pennsylvania -
Perkasie Tunnel ⓘ
railway tunnel in Pennsylvania, U.S -
Phoenixville Tunnel ⓘ
railway tunnel in Phoenixville, Pennsylvania
| Type | Subtype | Date | Description | Notes | Source |
|---|---|---|---|---|---|
| site | cave | Crystal Cave | show cave, protected area | Wikidata | |
| site | tunnel | Black Rock Tunnel | railway tunnel | Wikidata | |
| site | tunnel | Perkasie Tunnel | railway tunnel, tunnel | Wikidata | |
| site | tunnel | Phoenixville Tunnel | railway tunnel | Wikidata | |