Regional stratigraphic cross sections of Cretaceous rocks from east-central Arizona to the Oklahoma Panhandle
U.S. Dept. of the Interior, U.S. Geological Survey ; by C.M. Molenaar ... [and others].
Kart Engelsk 2001 Geological Survey (U.S.)
| Utgave | Version 1.0, last modified 5 Dec. 2001.
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| Opplysninger | Coordinates taken from index map in PDF file.. - Title from HTML index page (viewed on Dec. 19, 2001).
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