Huffman, A. C. <br/><br/>
Stratigraphy, structure, and paleogeography of Pennsylvanian and Permian rocks :  San Juan Basin and adjacent areas, Utah, Colorado, Arizona, and New Mexico / 
by A. Curtis Huffman, Jr. and Steven M. Condon 
 - Washington :  United States Government Printing Office,  1993 
 - iv, 44 p. :  ill., maps ;  28 cm. 
 - U.S. Geological Survey bulletin ;  1808-O .
<br/><br/> A multidisciplinary approach to research studies of sedimentary rocks and their constituents and the evolution of sedimentary basins, both ancient and modern  Spine title: Pennsylvanian and Permian rocks, Utah, Colorado, Arizona, and New Mexico  Includes 18 folded plates in pockets 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Pennsylvanian<br/>Geology, Stratigraphic--Permian<br/>Geology--San Juan Basin Region (N.M. and Colo.)
<br/><br/><label>Dewey Class. No.: </label>551.75209789