Grand Canyon National Park, Arizona. Trails of millipedes in Coconino Sandstone. Low-angle foresets near base.
Dates
Date Taken
1975
Summary
Grand Canyon National Park, Arizona. Trails of millipedes in Coconino Sandstone. Low-angle foresets near base. Scale in inches. Circa 1975. Figure 149-A, U.S. Geological Survey Professional paper 1052.
Summary
Grand Canyon National Park, Arizona. Trails of millipedes in Coconino Sandstone. Low-angle foresets near base. Scale in inches. Circa 1975. Figure 149-A, U.S. Geological Survey Professional paper 1052.
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