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{"minzoom":false,"maxzoom":false,"mappingservice":"leaflet","width":"auto","height":"600px","centre":{"text":"","title":"","link":"","lat":52.0883,"lon":-0.37581,"icon":""},"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\u003E\u003Ca href=\"/Q124856355\" title=\"Q124856355\"\u003EBedford Royal Observer Corps Group Headquarters\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ERoyal Observer Corps Group Headquarters, bunker\n\u003C/p\u003E\u003C/div\u003E","title":"Bedford Royal Observer Corps Group Headquarters@ Royal Observer Corps Group Headquarters, bunker\n","link":"","lat":52.142067,"lon":-0.498842,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945186\" title=\"Q124945186\"\u003ELuton County Borough Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Luton County Borough Control@ civil defense center\n","link":"","lat":51.876046,"lon":-0.419476,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q3117172\" title=\"Q3117172\"\u003ERoyston Cave\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Egrotto\n\u003C/p\u003E\u003C/div\u003E","title":"Royston Cave@ grotto\n","link":"","lat":52.0483,"lon":-0.0227778,"icon":"/images/4/48/M_cave.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q17551030\" title=\"Q17551030\"\u003EThe Grotto\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Egrotto\n\u003C/p\u003E\u003C/div\u003E","title":"The Grotto@ grotto\n","link":"","lat":51.9839,"lon":-0.593484,"icon":"/images/4/48/M_cave.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q24993397\" title=\"Q24993397\"\u003EAshwell Quarry and Quarry Springs\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Equarry\n\u003C/p\u003E\u003C/div\u003E","title":"Ashwell Quarry and Quarry Springs@ quarry\n","link":"","lat":52.040188,"lon":-0.17384,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q21061934\" title=\"Q21061934\"\u003EBarkway Chalk Pit\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Echalk quarry\n\u003C/p\u003E\u003C/div\u003E","title":"Barkway Chalk Pit@ chalk quarry\n","link":"","lat":52.011093,"lon":0.011493,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q27990706\" title=\"Q27990706\"\u003EBarrington Chalk Pit\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Echalk quarry, Site of Special Scientific Interest\n\u003C/p\u003E\u003C/div\u003E","title":"Barrington Chalk Pit@ chalk quarry, Site of Special Scientific Interest\n","link":"","lat":52.142,"lon":0.033,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q24662438\" title=\"Q24662438\"\u003EBarrington Quarry\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Equarry\n\u003C/p\u003E\u003C/div\u003E","title":"Barrington Quarry@ quarry\n","link":"","lat":52.14339,"lon":0.03661,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q24662499\" title=\"Q24662499\"\u003EDisused quarry\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Equarry\n\u003C/p\u003E\u003C/div\u003E","title":"Disused quarry@ quarry\n","link":"","lat":51.94948,"lon":-0.47339,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q20878146\" title=\"Q20878146\"\u003EHexton Chalk Pit\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Echalk quarry\n\u003C/p\u003E\u003C/div\u003E","title":"Hexton Chalk Pit@ chalk quarry\n","link":"","lat":51.957017,"lon":-0.389706,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q20711582\" title=\"Q20711582\"\u003EHill End Pit\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Echalk quarry\n\u003C/p\u003E\u003C/div\u003E","title":"Hill End Pit@ chalk quarry\n","link":"","lat":51.9008,"lon":-0.26017,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q20979086\" title=\"Q20979086\"\u003EKensworth Chalk Pit\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Echalk quarry\n\u003C/p\u003E\u003C/div\u003E","title":"Kensworth Chalk Pit@ chalk quarry\n","link":"","lat":51.866,"lon":-0.517,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q20979107\" title=\"Q20979107\"\u003ESundon Chalk Quarry\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Equarry\n\u003C/p\u003E\u003C/div\u003E","title":"Sundon Chalk Quarry@ quarry\n","link":"","lat":51.936758,"lon":-0.48935,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q24662498\" title=\"Q24662498\"\u003ESundon Quarry\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Equarry\n\u003C/p\u003E\u003C/div\u003E","title":"Sundon Quarry@ quarry\n","link":"","lat":51.93672,"lon":-0.49258,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q20979111\" title=\"Q20979111\"\u003ETotternhoe Chalk Quarry\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Equarry\n\u003C/p\u003E\u003C/div\u003E","title":"Totternhoe Chalk Quarry@ quarry\n","link":"","lat":51.891883,"lon":-0.567876,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q4748554\" title=\"Q4748554\"\u003EAmpthill Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Ampthill Tunnel@ railway tunnel\n","link":"","lat":52.0336,"lon":-0.513333,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q16996369\" title=\"Q16996369\"\u003ELinslade Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Linslade Tunnel@ railway tunnel\n","link":"","lat":51.9254,"lon":-0.6765,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca class=\"mw-selflink selflink\"\u003EOld Warden Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Old Warden Tunnel@ railway tunnel\n","link":"","lat":52.0883,"lon":-0.37581,"icon":"/images/d/d2/Red-marker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q7989445\" title=\"Q7989445\"\u003EWeston Hills Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Etunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Weston Hills Tunnel@ tunnel\n","link":"","lat":51.9779,"lon":-0.176739,"icon":"/images/0/04/M_tunnel.png"}],"imageoverlays":null}
Bridge on road to south of old warden tunnel - geograph.org.uk - 371606 2007
Old Warden Tunnel - geograph.org.uk - 275715 2006
Trackbed from road bridge looking north towards Old Warden Tunnel - geograph.org.uk - 371609 2007
