Cite
MLA (8th Edition)
Stratigraphic Framework of Cambrian and Ordovician Rocks In the Central Appalachian Basin From Lake County, Ohio, to Juniata County, Pennsylvania. For sale by Map Distribution, The Survey, 1992.
APA (7th Edition)
Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Lake County, Ohio, to Juniata County, Pennsylvania. (1992). For sale by Map Distribution, The Survey.
Chicago (17th Edition)
“Stratigraphic Framework of Cambrian and Ordovician Rocks in the Central Appalachian Basin from Lake County, Ohio, to Juniata County, Pennsylvania.” Denver, CO: For sale by Map Distribution, The Survey, 1992.