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Contributing Institution
Maine Geological Survey
Document Type
Image
Identifier
2875
Description
Hepheline syenite, etc.
Exact Creation Date
5-16-1987
Supplemental Rights
Credit must be given to the photographer and the Maine Geological Survey when this photo is displayed, reproduced, distributed and/or used in derivative works.
Keywords
economic geology; mines; quarries; outside of Maine; quebec; mt. st. hilaire; poudrette quarry; hepheline; syenite