Amsden, T. W., & Amsden, T. W. (1980). Lithofacies and isopach map of Chimneyhill Subgroup in eastern Oklahoma: Pre-woodford geologic map in eastern Oklahoma. Oklahoma: Oklahoma Geological Survey.
Chicago Style CitationAmsden, Thomas William, and Thomas William Amsden. Lithofacies and Isopach Map of Chimneyhill Subgroup in Eastern Oklahoma: Pre-woodford Geologic Map in Eastern Oklahoma. Oklahoma: Oklahoma Geological Survey, 1980.
MLA CitationAmsden, Thomas William, and Thomas William Amsden. Lithofacies and Isopach Map of Chimneyhill Subgroup in Eastern Oklahoma: Pre-woodford Geologic Map in Eastern Oklahoma. Oklahoma: Oklahoma Geological Survey, 1980.
Warning: These citations may not always be 100% accurate.