Vertical aerial view of stable dune field. Kobuk district, Northern Alaska region, Alaska. 1951.

Album caption: Vertical aerial view of stable dune field, with locally active dunes, near the Little Kobuk Sand Dunes. Small active dunes (smooth white areas) and many swamps and ponds are scattered over the area. The active dune near the center of the pictue is part of a large and complex blowout, characterized by canoe-shaped troughs and broadly accurate longitudinal ridges. The dune-building winds are southeast to east. The dune field is about 5 miles south of the Kobuk River, midway between Nakochelik and Mishuk Creeks. Kobuk district, Northern Alaska region, Alaska. 1951. (Photo by U.S. Coast and Geodetic Survey) Published as figure 4 in U.S. Geological Survey Bulletin 1181-K. 1964. No index card available.