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Start Over You searched for: Author Geological Survey (U.S.) Remove constraint Author: Geological Survey (U.S.) Subject Coal Remove constraint Subject: Coal

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4. Coal map of North America

Yale Public content
1988. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. North America.

5. Coal map of South America

Yale Public content
1994. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. South America.