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{"minzoom":false,"maxzoom":false,"mappingservice":"leaflet","width":"auto","height":"600px","centre":false,"title":"","label":"","icon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"zoom":false,"defzoom":14,"layers":["OpenStreetMap","Esri.WorldImagery"],"image layers":[],"overlays":[],"resizable":false,"fullscreen":true,"scrollwheelzoom":true,"cluster":false,"clustermaxzoom":20,"clusterzoomonclick":true,"clustermaxradius":1,"clusterspiderfy":true,"geojson":"","clicktarget":"","imageLayers":[],"locations":[{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EBlack Rock Tunnel\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel in Phoenixville, Pennsylvania\n\u003C/p\u003E\u003C/div\u003E","title":"Black Rock Tunnel@railway tunnel in Phoenixville, Pennsylvania\n","link":"","lat":40.145,"lon":-75.515,"icon":"/images/d/d2/Red-marker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q1053570\" title=\"Q1053570\"\u003ECenter City Commuter Connection\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Center City Commuter Connection@ railway tunnel\n","link":"","lat":39.9538,"lon":-75.1665,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q5457797\" title=\"Q5457797\"\u003EFlat Rock Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Flat Rock Tunnel@ railway tunnel\n","link":"","lat":40.0353,"lon":-75.2443,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q7169006\" title=\"Q7169006\"\u003EPerkasie Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel, tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Perkasie Tunnel@ railway tunnel, tunnel\n","link":"","lat":40.3804,"lon":-75.2938,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q7187049\" title=\"Q7187049\"\u003EPhoenixville Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Phoenixville Tunnel@ railway tunnel\n","link":"","lat":40.1441,"lon":-75.5262,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q79807121\" title=\"Q79807121\"\u003ESEPTA east-west subway tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Etunnel\n\u003C/p\u003E\u003C/div\u003E","title":"SEPTA east-west subway tunnel@ tunnel\n","link":"","lat":39.9542,"lon":-75.1767,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q65117731\" title=\"Q65117731\"\u003ESpring Garden Street Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Eroad tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Spring Garden Street Tunnel@ road tunnel\n","link":"","lat":39.966,"lon":-75.1818,"icon":"/images/0/04/M_tunnel.png"}],"imageoverlays":null}
Black Rock Tunnel HAER PA-520-1
Black Rock Tunnel, near Phoenixville, from Robert N. Dennis collection of stereoscopic views
Black Rock Tunnel, near Phoenixville, from Robert N. Dennis collection of stereoscopic views
Reading Railroad bridge and tunnel north of Phoenixville, January 2012
