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1

Summit Unit site concept study : Allegheny Portage Railroad National Historic Site, Pennsylvania.

[Denver, Colo.] : U.S. Department of the Interior, National Park Service, 1987

Government Document Book

2

Action plan : America's Industrial Heritage Project.

Cressen, Pa. : Heritage Preservation Commission, America's Industrial Heritage Project, 1987

Government Document Book

3

Site concept plan : Saltsburg /

[Denver, Colo.] : U.S. Department of the Interior, National Park Service, 1989

Government Document Book

4

Draft development concept plan, environmental assessment : Little Round Top/Devil's Den, Gettysburg National Military Park, Pennsylvania.

[Denver, Colo.] : United States Department of the Interior, National Park Service, 1985

Government Document Book

5

Historic structure report addendum : administrative, historical, and architectural data sections : Slateford Farm complex, Delaware Water Gap National Recreation Area, Pennsylvania...

by Bennett, Kenneth W. (Writer on historic sites)
[Denver, Colo.] : United States Department of the Interior, National Park Service, 1988

Government Document Book

6

Reconnaissance survey of western Pennsylvania roads and sites.

[Washington, D.C.?] : United States Department of the Interior, National Park Service, 1985

Government Document Book

7

General management plan : summary : Delaware Water Gap National Recreation Area, Middle Delaware National Scenic and Recreational River, New Jersey and Pennsylvania.

[Denver, Colo.] : United States Department of the Interior, National Park Service, 1987

Government Document Book

8

Archeological investigation of the Ironmaster's House, Hopewell Village National Historic Site, Pennsylvania /

by Marie, Audrey R.
[Denver, Colo.] : U.S. Department of the Interior, National Park Service, 1985

Government Document Book

9

Trace tracker-- for the trails at Allegheny Portage Railroad National Historical Site.

Cresson, PA : United States Department of Interior, National Park Service, Allegheny Portage Railroad, 1985

Government Document Book

10

General management plan : summary : Delaware Water Gap National Recreation Area, Middle Delaware National Scenic and Recreational River, New Jersey and Pennsylvania.

[Denver, Colo.] : United States Department of the Interior, National Park Service, 1989

Government Document Book

11

Archeological monitoring at Dingmans Launch Lower Boat Ramp, Delaware Water Gap National Recreation Area, Pike County, Pennsylvania /

by Alterman, Michael L.
Silver Spring, Md. : Denver Service Center, Eastern Team-Falls Church Branch Graphics Office, 1993

Government Document Book

12

General management plan : Delaware Water Gap National Recreation Area, Middle Delaware National Scenic and Recreational River, New Jersey and Pennsylvania.

[Denver, Colo.] : United States Department of the Interior, National Park Service, 1987

Government Document Book

13

Historic resource study, Slateford Farm, Delaware Water Gap National Recreation Area, Pennsylvania /

by Brown, Sharon A.
[Denver, Colo.] : U.S. Department of the Interior, National Park Service, 1985

Government Document Book

14

Recommendations of the large industrial artifact advisory panel : America's Industrial Heritage Project, Pennsylvania.

[Denver, Colo.] : United States Department of the Interior, National Park Service, 1991

Government Document Book

15

America's industrial heritage : southwestern Pennsylvania.

[Washington, D.C.?] : United States Department of the Interior, National Park Service, 1991

Government Document Book

16

Study of alternatives : Mount Etna Iron Furnace Complex : America's Industrial Heritage Project, southwestern Pennsylvania.

[Williamsburg, Pa.?] : [Washington, D.C.?] : Southwest Pennsylvania Heritage Preservation Commission, Mount Etna Coalition ; United States Department of the Interior, National Park Service, 1990

Government Document Book

17

Study of furnishings alternatives : Slateford Farm, Delaware Water Gap National Recreation Area, Pennsylvania /

by Brown, Sharon A.
[Washington, D.C.?] : U.S. Department of Interior, National Park Service, 1985

Government Document Book

18

Preservation and interpretation plan for the South Fork Fishing and Hunting Club Historic District and alternatives for establishing an interpretive tour route between Johnstown Fl...

[Denver, Colo.] : U.S. Department of the Interior, National Park Service, 1988

Government Document Book

19

Cambria iron works : study of alternatives : Johnstown, Pennsylvania.

[Denver, Colo.] : United States Department of Interior, National Park Service, 1988

Government Document Book

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