What are the braided markings on the faces of the fans? (Hint: Think about how alluvial fans form.)

The questions on the following page are based on Figure 45-4, a stereogram of the Stovepipe Wells region of Death Valley, California, Figure 45-5, a portion of the “Stovepipe Wells, California” quadrangle (scale 1:62,500; contour interval 80 feet; north is to the left side of the stereogram and topographic map), and Map T-27a, color aerial imagery of this same region of Death Valley. Several large alluvial fans that come out of the Tucki Mountains are coalescing to form a bajada 136°35'17"N, 117°06'35"W).





Figure 45-5: USGS “Stovepipe Wells, California” quadrangle. North is to the left side of the page (scale 1:62,500; contour interval 80 feet, dotted lines represent half-interval contours<--N).




Dry gullies and washes; distributary ephemeral stream channels.

Environmental & Atmospheric Sciences

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