Thaden, R. E., & Zech, R. S. (1983). Preliminary structure contour map on the base of the Cretaceous Dakota sandstone in the San Juan Basin and vicinity, New Mexico, Arizona, Colorado, and Utah. Interior--Geological Survey.
Chicago Style (17th ed.) CitationThaden, Robert E., and R. S. Zech. Preliminary Structure Contour Map on the Base of the Cretaceous Dakota Sandstone in the San Juan Basin and Vicinity, New Mexico, Arizona, Colorado, and Utah. Reston, Va.: Interior--Geological Survey, 1983.
MLA (9th ed.) CitationThaden, Robert E., and R. S. Zech. Preliminary Structure Contour Map on the Base of the Cretaceous Dakota Sandstone in the San Juan Basin and Vicinity, New Mexico, Arizona, Colorado, and Utah. Interior--Geological Survey, 1983.
Warning: These citations may not always be 100% accurate.