| Call Number (LC) | Title | Results |
|---|---|---|
| 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 |
| I 29.2:P 58/5 | The Pictured Rocks : an administrative history of Pictured Rocks National Lakeshore / | 1 |
| I 29.2:P 65 | The heart of the Gabilans : an administrative history of Pinnacles National Monument / | 1 |
| I 29.2:P 66 | Pipe Spring National Monument : statement for management. | 1 |
| I 29.2:P 66/2 | Managing the sacred and the secular : an administrative history of Pipestone National Monument / | 1 |
| I 29.2:P 67 | Piscataway Park : Piscataway Park, Maryland. | 1 |
| I 29.2:P 69 | Plants, people, and environmental quality : a study of plants and their environmental functions / | 1 |
| I 29.2:P 69/2 | Project planner : resolving the park folder : National Park Service informational folder program. | 1 |
| I 29.2:P 69/4 | Native plants for parks : cost-effective programs for resource management, revegetation with native plants, threatened or endangered species, historical plants / | 1 |
| I 29.2:P 69/4/2000 | Native plants for parks : cost-effective programs for resource management, revegetation with native plants, threatened or endangered species, historical plants / | 1 |
| I 29.2:P 69/5 | Plain talk. | 1 |
| I 29.2:P 69/6 | People and places on the outer Cape a landscape character study / | 1 |
| I 29.2:P 69/10 | Points of origin of native plants. | 1 |
