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3. Habitat Models - Rocky Fringe Snakes Model - Distance to Bottomland Boundary

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 29, 2026 at 06:08 PM | Dataset Last Updated: May 26, 2026 at 12:00 AM
This a map showing distances from the Colorado River bottomland boundary between the Utah Colorado border and the upper pool of Lake Powell, Utah (146 miles). The bottomland boundary was mapped from publicly available NAIP imagery flown on June 28, 2011, and from project imagery flown in 2010. The bottomland boundary includes tributary channels and associated alluvial deposits, as those features are part of potential project areas and are important for habitat. The boundary extends only a short distance up larger tributaries (e.g. Dolores and Green Rivers)

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