Basal beds of the Pecan Gap chalk in a cut of the Gulf, Colorado & Santa Fe railway, half a mile east of the station at Pecan Gap, Delta County, Texas. 1914.
Dates
Date Taken
1914
Summary
Basal beds of the Pecan Gap chalk in a cut of the Gulf, Colorado & Santa Fe railway, half a mile east of the station at Pecan Gap, Delta County, Texas. Circa 1914. Plate 29-A in U.S. Geological Survey. Professional paper 120. 1919.
Summary
Basal beds of the Pecan Gap chalk in a cut of the Gulf, Colorado & Santa Fe railway, half a mile east of the station at Pecan Gap, Delta County, Texas. Circa 1914. Plate 29-A in U.S. Geological Survey. Professional paper 120. 1919.
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