TY  - BOOK
AU  - Janus,J.B.
AU  - 
ED  - 
ED  - United States.
ED  - United States.
TI  - Analyses of tipple and delivered samples of coal: collected during the fiscal year 1977
U1  - US 553.240973 23rd ed.
PY  - 1978///
CY  - Washington, D.C.
PB  - U. S. Dept. of the Interior, Bureau of Mines
KW  - Coal
KW  - Analysis
ER  -