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- [4] TRENDS IN CAMPSITE CONDITION - EAGLE CAP WILDERNESS, MARSHALL,BOB WILDERNESS, AND GRAND-CANYON-NATIONAL-PARK USDA FOREST SERVICE INTERMOUNTAIN RESEARCH STATION RESEARCH PAPER, 1992, (453): : 1 - 41
- [6] EFFECTS OF GLEN CANYON DAM ON COLORADO RIVER SAND DEPOSITS USED AS CAMPSITES IN GRAND-CANYON NATIONAL-PARK, USA REGULATED RIVERS-RESEARCH & MANAGEMENT, 1994, 9 (03): : 137 - 149
- [8] Bald eagle abundance and relationships to prey base and human activity along the Colorado River in Grand Canyon National Park, Arizona COLORADO PLATEAU: CULTURAL, BIOLOGICAL, AND PHYSICAL RESEARCH, 2004, : 163 - 185
- [9] Photographic replication methods used to assist in the management of cultural resources along the Colorado River corridor, Grand Canyon National Park MAKING PROTECTION WORK: PROCEEDINGS OF THE 9TH CONFERENCE ON RESEARCH AND RESOURCE MANAGEMENT IN PARKS AND ON PUBLIC LANDS, 1997, : 85 - 86