U.S. Geological Survey: Science for a Changing World - USGS visual identifier and link to main Web site at http://www.usgs.gov/

Photographs showing sample sites on the Bear Island strath terrace surface, downstream of Great Falls. For a more detailed explanation, contact Paul Bierman at pbierman@zoo.uvm.edu.     Figure 19. Sample sites on the Bear Island strath terrace surface, downstream of Great Falls. A, GF-33 was collected from an isolated outcrop less than 1 m (3 ft) high. B, GF-42 was collected from a tall outcrop within 10 m (33 ft) of GF-43. C, GF-43 was collected from a shorter outcrop adjacent to GF-42. D, GF-32 was collected from a broad expanse of rock. E, GF-30 is topographically lower than the other pictured samples and overlooks Mather Gorge. This outcrop was submerged during the peak flooding of Hurricane Isabel (~165,000 ft3/s). F, GF-29 was collected from an isolated outcrop of rock farther downstream than the other samples.

U.S. Department of the Interior, U.S. Geological Survey
URL: https:// pubs.usgs.gov /circ/2004/1264/html/trip6/fig19.html
For more information, contact Paul Bierman
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