Open Parks Network

Inside a tunnel, Fort Moultrie, South Carolina National Park Service 3i; AUG78A1 9.

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Inside a tunnel, Fort Moultrie, South Carolina National Park Service FOMO; 3H; AUG75A1 7.

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Loop Tunnel, Newfound Gap Highway Great Smoky Mountains National Park Under Construction.Loop Tunnel; Newfound Gap Highway, II-S-11518, Physical Facilities - Roads - Structures on roads (tunnels, trail underpass, box culverts, trestles)

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Tunnel No. 2, Newfound Gap Highway, Lower tunnel Great Smoky Mountains National Park Lower portal - Winter.Tunnel No. 2; Newfound Gap Highway; Lower tunnel, II-S-11531, Physical Facilities - Roads - Structures on roads (tunnels, trail underpass, box culverts, trestles)

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Loop Tunnel, Newfound Gap Highway Great Smoky Mountains National Park Loop Tunnel - Winter; Newfound Gap Highway, II-S-11522, Physical Facilities - Roads - Structures on roads (tunnels, trail underpass, box culverts, trestles)

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Machine inside construction of South Portal Tunnel, Foothills Parkway, Tennessee Great Smoky Mountains National Park Before portals.South Portal Tunnel; Foothills Parkway; Gatlinburg Spur, II-S-3385, Physical Facilities - Roads - Structures on roads (tunnels, trail underpass, box culverts, trestles)

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Loop Tunnel, Newfound Gap Highway Great Smoky Mountains National Park The loop structure, Newfound Gap Highway, north side of Park: Work done by US BPR contract, Roads and trails funds; completed 1935. Cost #77,644.76; North elevation, looking south--; Eakin investigation photograph.Loop Tunnel; Newfound Gap Highway, II-S-11524, Physical Facilities - Roads - Structures on roads (tunnels, trail underpass, box culverts, trestles)

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Men working on side of tunnel while machine is inside construction, Foothills Parkway, Tennessee Great Smoky Mountains National Park Before portals.South Portal Tunnel; Foothills Parkway; Gatlinburg Spur, II-S-3387, Physical Facilities - Roads - Structures on roads (tunnels, trail underpass, box culverts, trestles)

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Loop Tunnel, Newfound Gap Highway Great Smoky Mountains National Park Loop Tunnel; Newfound Gap Highway, II-S-11525, Physical Facilities - Roads - Structures on roads (tunnels, trail underpass, box culverts, trestles)

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Loop Tunnel, Newfound Gap Highway Great Smoky Mountains National Park The loop structure, Newfound Gap Highway, north side of Park: Work done by US BPR contract, Roads and trails funds; completed 1935. Cost #77,644.76; Eakin investigation photograph; View looking south....Loop Tunnel; Newfound Gap Highway, II-S-11523, Physical Facilities - Roads - Structures on roads (tunnels, trail underpass, box culverts, trestles)

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Construction of South Portal Tunnel, Foothills Parkway, Tennessee Great Smoky Mountains National Park Before portals.South Portal Tunnel; Foothills Parkway; Gatlinburg Spur, II-S-3384, Physical Facilities - Roads - Structures on roads (tunnels, trail underpass, box culverts, trestles)

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Tunnel No. 2, Newfound Gap Highway, Lower tunnel Great Smoky Mountains National Park Upper portal . . . View looking north; Built by US BPR. Roads and trails funds. Completed 1935; Cost:.Tunnel No. 2; Newfound Gap Highway; Lower tunnel, II-S-11528, Physical Facilities - Roads - Structures on roads (tunnels, trail underpass, box culverts, trestles)

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Tunnel No. 2, Newfound Gap Highway, Lower tunnel Great Smoky Mountains National Park Winter scene, taken from inside tunnel, looking through lower portal.Tunnel No. 2; Newfound Gap Highway; Lower tunnel, II-S-11532, Physical Facilities - Roads - Structures on roads (tunnels, trail underpass, box culverts, trestles)

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Closer view of machine inside South Portal Tunnel, Foothills Parkway, Tennessee Great Smoky Mountains National Park Before portals.South Portal Tunnel; Foothills Parkway; Gatlinburg Spur, II-S-3386, Physical Facilities - Roads - Structures on roads (tunnels, trail underpass, box culverts, trestles)