bituminous coal
Defined in 1 dictionary — Case Law
Definitions from Case Law
United States Supreme Court
all bituminous, semibituminous, and subbituminous coal and shall exclude lignite, which is defined as a lignitic coal having calorific value in British thermal units of less than seven thousand six hundred per pound and having a natural moisture content in place in the mine of 30 per centum or more.
Defined by the Supreme Court in Sunshine Anthracite Coal Co v. Adkins, 310 U.S. 381 (1940).