Geology of the Crystal oil field, Montcalm County, Michigan
By: by G. E. Eddy.
Series: Michigan.  Dept. of Conservation.  Geological Survey Division.  Progress report,; no. 1
Published: 1936
Place of publication: [Lansing?]
Language: eng
Subjects: Geology -- Michigan -- Montcalm County.; Petroleum -- Michigan -- Montcalm County.
Notes: Photoprinted.