Pennsylvanian system in the United States : a symposium /

Eitemau Tebyg

• Papers on Pennsylvanian stratigraphic problems in North Central Texas.
  Cyhoeddwyd: (1966)
• A stratigraphic datum : Cisco group (Upper Pennsylvanian), Brazos and Trinity Valleys, north-central Texas.
  gan: Brown, L. F. (Leonard Franklin), 1928-
  Cyhoeddwyd: (1962)
• Geology and coal resources of the Cahaba coal field /
  Cyhoeddwyd: (1995)
• The apparatus of Gondolella sublanceolata Gunnell, Conodontophorida, Upper Pennsylvanian, and its relationship to Illinella typica Rhodes /
  gan: Von Bitter, Peter H., 1942-
  Cyhoeddwyd: (1976)
• The Quaternary of the United States : a review volume for the VII Congress of the International Association for Quaternary Research /
  gan: Wright, H. E. (Herbert Edgar), 1917-
  Cyhoeddwyd: (1965)