Petrography of the Middle Devonian Bois Blanc formation of Michigan and Ontario.
Published: 1964
Place of publication: [Ann Arbor, Mich.]
Language: eng
Number of pages: 114
Subjects: Geology, Stratigraphic -- Devonian.; Petrology -- Michigan; Petrology -- Ontario
Notes: "[Leaf 18] omitted when dissertation was paginated".

Thesis - University of Michigan.

Bibliography: leaves 89-94.

Microfilm. Ann Arbor, Mich., University Microfilms, 1964. 1 reel.