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Album caption: Oblique aerial view of the bog-covered alluvial plain of the Nixon Fork lowland and bordering fan apron. The bog-covered alluvial plain (Qapl) covers much of the upper half of the picture. The bogs (a) smooth light-gray areas, and islands (b) together give a ragged, mottled appearance to the picture. On the lower half is a fan apron (Qaa) that leads down from bordering uplands and merged into the alluvial plain. The flood plains (Qam) of the Nixon Fork and one of its tributaries are along the upper edge of the picture. McGrath district, Kuskokwim region, Alaska. 1949. (Photo by U.S. Air Force) Published as figure 34 in U.S. Geological Survey Bulletin 1071-G. 1960. No index card available.
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Album caption: Oblique aerial view of a large part of the older dune field between the Kuskokwim and Big Rivers. The field (Aso) is characterized by sand ridges and irregularly shaped sand hillocks, on which white spruce and black spruce are dominant (dark-gray areas.) Interdune areas have scattered black spruce and a heavy cover on muskeg vegetation (light-gray areas.) The dune field is bordered on the northeast (upper left corner of the picture) by the flood plain (Qam) of the meandering Katlitna River, from which it is separated by an irregular escarpment estimated to range between 100 and 150 feet in height. On the opposite side of the river is a small part of the younger McGrath dune field (Qs), separated from...
    map background search result map search result map Oblique aerial view of a large part of the dune field between the Kuskokwim and Big Rivers. McGrath district, Kuskokwim region, Alaska. 1949. Oblique aerial view of the bog-covered alluvial plain of the Nixon Fork lowland. McGrath district, Kuskokwim region, Alaska. 1949. Oblique aerial view of a large part of the dune field between the Kuskokwim and Big Rivers. McGrath district, Kuskokwim region, Alaska. 1949. Oblique aerial view of the bog-covered alluvial plain of the Nixon Fork lowland. McGrath district, Kuskokwim region, Alaska. 1949.