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Terminology in coal research

Coal paleobotany

What is coal?

Published Year

• 1920-1929 (1)
• 1940-1949 (2)

Subject

• Coal (3) *
• Paleobotany--Carboniferous (1)
• Trees, Fossil (1)

Author

• Thiessen, Reinhardt, (3) *
• Francis, Wilfrid, (1)
• Sprunk, George C, (1)

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