. Bulletin of the Geological Society of America. Geology; Geology -- United States. BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA Vol. 3, pp. 301-330 TWO MONTANA COAL FIELDS , BY WALTER HARVEY WEED. ROCHESTER PUBLISHED BY THE SOCIETY June, 1892. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Geological Society of America. [New York, etc. ] The Society

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