The Chemung and Catskill (Upper Devonian) on the eastern side of the Appalachian Basin /
Stevenson, John James.
The Chemung and Catskill (Upper Devonian) on the eastern side of the Appalachian Basin / address by John J. Stevenson ... - Salem, Mass. : [s.n.], 1891 ( - 31 p. ; 25 cm.
From the Proceeding of the American Association for the Advancement of Science, vol. XL, 1891.
Geología---Estados Unidos.
The Chemung and Catskill (Upper Devonian) on the eastern side of the Appalachian Basin / address by John J. Stevenson ... - Salem, Mass. : [s.n.], 1891 ( - 31 p. ; 25 cm.
From the Proceeding of the American Association for the Advancement of Science, vol. XL, 1891.
Geología---Estados Unidos.
