The Glade Hill boulder count, showing both the maximum (crosses) and median (triangles) diameters for all located unbroken boulders. n = 280. The lines are interpolations of the actual points. See Zen (1997a) for data and discussions.
U.S. Department of the Interior
U.S. Geological Survey
URL: https:// pubs.usgs.gov /circ/2004/1264/html/trip6/fig8.html
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Last modified: 12:24:43 Wed 23 Nov 2016