Philip H. Heckel

• Nature, origin, and significance of the Tully limestone
• Devonian Tully limestone in Pennsylvania and comparison to type tully limestone in New York
• Devonian Tully limestone in Pennsylvania and comparison to type tully limestone in New York / by Philip H. Heckel
• Field guide to Upper Pennsylvanian cyclothemic limestone facies in eastern Kansas
• Revision of stratigraphic nomenclature and classification of the Pleasanton, Kansas City, Lansing, and lower part of the Douglas Groups (Lower Upper Pennsylvanian, ... Kansas (Bulletin / Kansas Geological Survey)
• Stratigraphy and biostratigraphy of the Mississippian subsystem (carboniferous system) in its type region, the Mississippi River Valley of Illinois, Missouri and Iowa
• Stratigraphy and depositional framework of the Stanton Formation in southeastern Kansas