The reserve base of U.S. coal by sulfur content (in two parts). 1. The Eastern States /
Thomson, Robert D.
The reserve base of U.S. coal by sulfur content (in two parts). 1. The Eastern States / by Robert D. Thomson and Harold F. York. - [Washington] : U.S. Dept. of the Interior, Bureau of Mines, [1975]. - 537 p., map. - Information circular ; 8680 . - United States. Bureau of Mines. Information circular ; 8680 . - Information circular (United States. Bureau of Mines) ; 8680 .
92015007
Coal--United States--Eastern States.
Anthracite coal--Sulfur content.--United States
Bituminous coal--Sulfur content.
The reserve base of U.S. coal by sulfur content (in two parts). 1. The Eastern States / by Robert D. Thomson and Harold F. York. - [Washington] : U.S. Dept. of the Interior, Bureau of Mines, [1975]. - 537 p., map. - Information circular ; 8680 . - United States. Bureau of Mines. Information circular ; 8680 . - Information circular (United States. Bureau of Mines) ; 8680 .
92015007
Coal--United States--Eastern States.
Anthracite coal--Sulfur content.--United States
Bituminous coal--Sulfur content.