The classification of the lower Carboniferous rocks of the Mississippi Valley ...
By: by Charles Rollin Keyes ...
Publisher: Judd & Detweiler, printers
Published: 1892
Place of publication: Washington
Language: eng
Number of pages: 24
Subjects: Geology, Stratigraphic -- Carboniferous; Geology -- Mississippi River Valley
Notes: Includes bibliographical references.
Thesis (Ph. D.)--Johns Hopkins University, 1892.
Biography.