1. Stratigraphy of the Mississippian System, south-central Colorado and north-central New Mexico;Armstrong;USGS Bull.,1992
2. Pre-Pennsylvanian paleotectonics—key to basin evolution and petroleum occurrences in the Paradox Basin;Baars;Am. Assoc. Pet. Geol. Bull.,1966
3. Geology of the western San Juan Mountains;Baars,1984
4. Grenadier fault block, Coalbank to Molas Passes, southwest Colorado;Baars,1987
5. An inceptisol formed in calcareous loess on the “Dast-i-Esan Top” plain in Afghanistan: fabric, mineral, and trace element analysis;Bal;Neth. J. Agric. Sci.,1976