| Call Number (LC) | Title | Results |
|---|---|---|
| I 29.2:P 33/2 | Pecos National Historical Park and you : planning for the future. | 1 |
| I 29.2:P 33/540-840 |
Kiva, cross, and crown : the Pecos Indians and New Mexico, 1540-1840 / Kiva, cross, and crown the Pecos Indians and New Mexico, 1540-1840 / |
2 |
| I 29.2:P 38/2 | Pennsylvania railroad shops and works, Altoona, Pennsylvania : America's industrial heritage project / | 1 |
| I 29.2:P 38/4 | Pennsylvania Main Line Canal : Juniata and Western Divisions : special study / | 1 |
| I 29.2:P 38/5 | Western Pennsylvania region : its landscape, people, and industry. | 1 |
| I 29.2:P 38/6 | Pennsylvania Avenue at the White House : help us assess long-term design alternatives for Pennsylvania Avenue at the White House. | 1 |
| I 29.2:P 38/7 | National parks of western Pennsylvania / | 1 |
| I 29.2:P 39 | The people of the Pennsy / | 1 |
| I 29.2:P 41m/998 | Field guide to National Park Service performance management / | 1 |
| I 29.2:P 43 | National Park Service intergrated pest management information packages / | 1 |
| I 29.2:P 43/2 | Crickets and grasshoppers : final report / | 1 |
| I 29.2:P 44 | A history of Petersburg National Battlefield to 1956 / | 2 |
| I 29.2:P 44/2 | New area report, study of alternatives : Albuquerque West Mesa petroglyph study, February 1988. | 1 |
| I 29.2:P 44/3 | The Historic American Buildings Survey of the National Park Service and the Athenaeum of Philadelphia announce the 1990 Charles E. Peterson Prize : a student competition of measured drawings. | 1 |
| I 29.2:P 44/5 | Petrified Forest National Park : free publication, information, regulations. | 1 |
| I 29.2:P 44/6/ |
Earth & sky. A beautiful mystery. Echoes from the earth. |
3 |
| I 29.2:P 44/8 | Join our junior ranger team! | 1 |
| I 29.2:P 56/5 | Soleduck revegetation project : Soleduck Valley road, Olympic National Park, Washington. | 1 |
| I 29.2:P 56/6 | A photographer's path / | 1 |
| I 29.2:P 58/4 | Late Wisconsin history of Pictured Rocks National Lakeshore and vicinity : by William L. Blewett. | 1 |
