Collection, chemical analysis, and evaluation of coal samples in 1975

Abstract

JLJL 3. Percent of samples by coal rank 16 4. Average composition of all coal samples in United States and of ranks of coal 17 5. Means and ranges of analyses, 53 anthracite samples, Pennsylvania anthracite region 25 6. Sample descriptions and analyses, 53 anthracite samples, Pennsylvania anthracite region 28 7. Means and ranges of analyses, 331 coal samples, A T\T> Q 1 Q oT^ "1 Qn T*_CJ O" "1 rf^n __ _ ._ _._, ._. .-_ ._. ._. ._.._ ._. -----.