Oral history interview with Larry Stevens [transcript only], September 11, 1994.

CONTENT: Interview conducted by Lewis Steiger with Larry Stevens. Stevens discusses the impact Glen Canyon Dam and human intervention have had on the ecosystem of the Colorado River and the Grand Canyon. He describes how his interest in the area developed and discusses research he has conducted for the National Park Service and input he provided for the Colorado River resource management plan. He also discusses how change in the Canyon has been accelerated by factors like the dam and tourism. BIOGRAPHICAL HISTORY: Grand Canyon River Guides, founded in 1988, unofficially began their oral history project in November 1990 at Georgie White Clark's 80th birthday party, Hatch River Expeditions warehouse, Marble Canyon, Arizona. The official start was with a grant from the Southwestern Foundation for Education and Historical Preservation. The project is ongoing. Larry Stevens is a biologist who has conducted inventories of Grand Canyon National Park. He has written and published a river guide, Colorado River in Grand Canyon: a comprehensive guide to its natural and human history