Reconnaissance and economic geology of the northwestern Knox County marble belt

Maine Geological Survey (Department of Economic Development), Bulletin 19 (Special Economic Studies Series 7). Describes regional geology, correlation, and structure. Includes a short section on the economic value of marble belts and ores in NW Knox County. Plates include a reconnaissance geologic map and a map of the Union marble belt. Covers parts of Liberty, Belfast, Waldoboro, and Rockland 15\u27 quadrangles.https://digitalmaine.com/mgs_publications/1037/thumbnail.jp