Part of the Mesaverde group in the gap cut through the great hogback by Chaco River. San Juan County, New Mexico. 1916.
Dates
Date Taken
1916
Summary
Part of the Mesaverde group in the gap cut through the great hogback by Chaco River. San Juan County, New Mexico. 1916. Plate 19-A in U.S. Geological Survey. Bulletin 716. 1920.
Summary
Part of the Mesaverde group in the gap cut through the great hogback by Chaco River. San Juan County, New Mexico. 1916. Plate 19-A in U.S. Geological Survey. Bulletin 716. 1920.
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