John T. Haynes

The Ordovician Deicke and Millbrig K-Bentonite Beds of the Cincinnati Arch and Southern Valley and Ridge Province

The Ordovician Deicke and Millbrig K-bentonite Beds of the Cincinnati Arch and the southern Valley and Ridge province

Reinterpretation of Rocklandian (Upper Ordovician) K-bentonite stratigraphy in southwest Virginia, southeast West Virginia, and northeast Tennessee, with a discussion of the conglomeratic sandstones in the Bays and Moccasin formations

Stratigraphy of the Waynesboro Formation (Lower and Middle Cambrian) near Buchanan, Botetourt County, Virginia