1. Mid-Paleozoic paleogeography of central Texas;Adams,1954
2. Hunton Group (late Ordovician, Silurian, and early Devonian) in the Anadarko Basin of Oklahoma;Amsden;Okla. Geol. Surv., Bull.,1975
3. Hunton Group (late Ordovician, Silurian, and early Devonian) in the Arkoma Basin of Oklahoma;Amsden;Okla. Geol. Surv., Bull.,1980
4. Structure contour map of Colorado;Anderman,1961
5. Subsidence analysis of the Cordilleran miogeocline: Implications for timing of late Proterozoic rifting and amount of extension;Armin;Geology,1983