TY  - BOOK
AU  - Milici, Robert C.,
CN  - I 19.76:
CY  - [Reston, VA] :
DA  - [1997]
ID  - 216288
KW  - Coal
N1  - Imprint from transmittal sheet.
PB  - U.S. Geological Survey,
PP  - [Reston, VA] :
PY  - [1997]
T1  - The COALPROD database :historical production data for the major coal-producing regions of the conterminous United States /
TI  - The COALPROD database :historical production data for the major coal-producing regions of the conterminous United States /
ER  -