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Yellowstone photo album 23, page 62 Yellowstone National Park
Yellowstone photo album 3, page 58 Yellowstone National Park
Yellowstone photo album 3, page 107 Yellowstone National Park
Yellowstone photo album 8, page 89 Yellowstone National Park
Bridge No. 1, over Indian Creek Great Smoky Mountains National Park Dimensions: 1 span - 18'x12'; skew 20 degrees; width 11'; Abutments: Cemented rough rubble: Superstructure: 4 - 8 x 4, steel I-beams; 2 - 12 to 14 log stringers; 3 plank deck; Condition: Fair; Proposed: Replace deck and paint steel out of regular maintenance.Bridge Maintenance Report of 1952; DEP-150, Indian Creek Road; Bridge No. 1, over Indian Creek, II-F-(5)-11253, Physical Facilities - Footlogs and Bridges - Bridge Maintenance
Page 86 National Park Service
Yellowstone photo album 4a, page 24 Yellowstone National Park
Yellowstone photo album 19, page 63 Yellowstone National Park
Bridge No. 2, over Middle Prong Great Smoky Mountains National Park Bridge No. 2, over Middle Prong; Dimensions: 2 span- 50' x 12', 25' x 18'; Skew 20 degrees, width 12'; Intermediate support: concrete pier; Abutments: Concrete; Superstructures: 50' span (2), 50' x 5' 6 1/2 deck truss; 25' span (2) 24 X 7 I-beams; deck 3 planks laid diagonal on 6 x 8 floor beams; Condition: excellent, except deck and wheel guard, which are poor; Proposed: Replace decking out of regular maintenance,Bridge Maintenance Report of 1952 Tre-115, Middle Prong Road, II-F-(5)-11171, Physical Facilities - Footlogs and Bridges - Bridge Maintenance
Page 141 National Park Service
Yellowstone photo album 20, page 2 Yellowstone National Park
Bridge No. 2, over Middle Prong Great Smoky Mountains National Park Bridge No. 2, over Middle Prong; Dimensions: 2 span- 50' x 12', 25' x 18'; Skew 20 degrees, width 12'; Intermediate support: concrete pier; Abutments: Concrete; Superstructures: 50' span (2), 50' x 5' 6 1/2 deck truss; 25' span (2) 24 X 7 I-beams; deck 3 planks laid diagonal on 6 x 8 floor beams; Condition: excellent, except deck and wheel guard, which are poor; Proposed: Replace decking out of regular maintenance,Bridge Maintenance Report of 1952 Tre-115, Middle Prong Road, II-F-(5)-11172, Physical Facilities - Footlogs and Bridges - Bridge Maintenance
Cannon Dry Tortugas National Park; National Park Service Back: ACC 29; I think this is about a 20 pounder. Darnels are Conn. I don't know the caliber of this or the gren at Guilford the pictures do provide a pretty good idea of the carriages regardless of size. They all appear about the same construction.

Page 122 of at least 120
About 2,500 Items

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