ANTHRACITIC COAL FROM PRECAMBRIAN UPPER HURONIAN BLACK SHALE OF THE IRON RIVER DISTRICT, NORTHERN MICHIGAN
Authors:
- S. A. TylerSTS. A. Tyler
- E. S. BarghoornEBE. S. Barghoorn
- L. P. BarrettLBL. P. Barrett
- 1 January 1957
- journal article
- Published by Geological Society of America in Geological Society of America Bulletin
- Vol. 68 (10)