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- Geological Survey of Alabama2
- Dept. of the Interior, U.S. Geological Survey1
- Interior--Geological Survey1
- North Carolina Dept. of Natural and Economic Resources, Office of Earth Resources1
- Ontario Dept. of Mines and Northern Affairs1
- Ontario Div. of Mines1
- State of Md., Dept. of Natural Resources, Md. Geological Survey, Williams & Heintz Map Corp.)1
- The Agency1
- The Bureau ; for sale by U.S. Geological Survey1
- publisher not identified1
