Yazar
John B Roen
5 cilt bulundu.
Cilt sonuçları
Stratigraphic framework of the Devonian black shales of the Appalachian basin
John B Roen · U.S. Dept. of the Interior, Geological Survey
Sayfa sayısı yok · 1984
Geology, Stratigraphic / Shale / Stratigraphic Geology
Petroleum geology of the Devonian and Mississippian black shale of eastern North America
John B. Roen, Roy Clark Kepferle · U.S. G.P.O.
Sayfa sayısı yok · 1993
Stratigraphic Geology / Petroleum / Shale / Geology / Black shales
Preliminary stratigraphic cross section showing radioactive zones in the Devonian black shales in southeastern Ohio and west-central West Virginia
Laure G. Wallace, John B. Roen, De Witt, Wallace Jr · available from U.S.G.S. Open-File Services Section, Denver
Sayfa sayısı yok · 1978
Stratigraphic Geology / Maps / Geology