Skip to main content
U.S. flag

An official website of the United States government

Preliminary stratigraphic cross section showing radioactive black shale zones in the Devonian black shales in eastern Ohio and west-central Pennsylvania

January 1, 1977

No abstract available.

Publication Year 1977
Title Preliminary stratigraphic cross section showing radioactive black shale zones in the Devonian black shales in eastern Ohio and west-central Pennsylvania
DOI 10.3133/ofr77840
Authors John B. Roen, L.G. Wallace, Wallace De Witt
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Open-File Report
Series Number 77-840
Index ID ofr77840
Record Source USGS Publications Warehouse