Middle Ordovician conodonts from the Joachim Dolomite of eastern Missouri Read more about Middle Ordovician conodonts from the Joachim Dolomite of eastern Missouri
Isotopic study of galenas from the upper Mississippi Valley, the Illinois-Kentucky, and some Appalachian Valley mineral districts Read more about Isotopic study of galenas from the upper Mississippi Valley, the Illinois-Kentucky, and some Appalachian Valley mineral districts
An occurrence of Hexagonaria in the Grand Tower Formation of southern Illinois and southeastern Missouri Read more about An occurrence of Hexagonaria in the Grand Tower Formation of southern Illinois and southeastern Missouri
Cryptoexplosion structures caused from without or from within the earth? ("Astroblemes" or "Geoblemes?") Read more about Cryptoexplosion structures caused from without or from within the earth? ("Astroblemes" or "Geoblemes?")
Middle Ordovician conodonts from the Joachim Formation of eastern Missouri Read more about Middle Ordovician conodonts from the Joachim Formation of eastern Missouri
Middle Ordovician conodonts from the Joachim Formation of eastern Missouri Read more about Middle Ordovician conodonts from the Joachim Formation of eastern Missouri
Explosive igneous activity along an Illinois-Missouri-Kansas axis Read more about Explosive igneous activity along an Illinois-Missouri-Kansas axis
Cryptoexplosive structures in Missouri, Guidebook, 1965 Annual Meeting, The Geological Society of America Read more about Cryptoexplosive structures in Missouri, Guidebook, 1965 Annual Meeting, The Geological Society of America
Explosive igneous activity along an Illinois-Missouri-Kansas axis in Paleozoic time, [in] Abstracts for 1963 Read more about Explosive igneous activity along an Illinois-Missouri-Kansas axis in Paleozoic time, [in] Abstracts for 1963