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The coal fields of the United States

January 1, 1929

No abstract available.

Publication Year 1929
Title The coal fields of the United States
DOI 10.3133/pp100
Authors M. R. Campbell, J. A. Bownocker, F. R. Clark
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Professional Paper
Series Number 100
Index ID pp100
Record Source USGS Publications Warehouse