AuthorJanssens, Adriaan.
TitleMiddle Devonian formations in the subsurface of northwestern Ohio, by A. Janssens.
PublishedColumbus, Ohio, Division of Geological Survey, 1970.
Descriptioniii, 22 p. illus., maps. 28 cm.
SeriesOhio. Division of Geological Survey. Report of investigations, no. 78
Report of investigations (Ohio. Division of Geological Survey) ; no. 78.
Bib. NoteBibliography: p. 17-18.
SubjectsFormations (Geology) -- Ohio.
Geology -- Ohio.
Geology, Stratigraphic -- Devonian.
Ohio imprints -- 1970.
LC Card Number71-634243//r862
Call Number/Copies 
 WRHS Research Library: F 34 JQ O79 No.78
mq113018: LC class, closed stacks [status: NON-CIRCULATING]
[Record 61333]