Biodiversity in The Grand Canyon: Dr. Larry Stevens & Jeri Ledbetter (recorded @ Colorado River)

Recorded on location in "the science boat" floating down the
Colorado River in Grand Canyon Nation Park. An interview with Dr.
Larry Stevens & Jeri Ledbetter featuring: Biodiversity in The
Grand Canyon pre & post Glen Canyon Dam. History of the
proposed & implemented Dam sites in The Grand Canyon...plus an
inside look at the anatomy of Glen Canyon Dan including its faults.
Larry still works as a whitewater guide in the Grand Canyon in
addition to being the curator of Ecology at the Museum of Northern
Arizona in Flagstaff & is the senior ecologist for the Grand
Canyon Wild lands Counsel. Jeri is a pilot, geographer,
environmental activist & whitewater guide in the Grand Canyon.

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