TY  - BOOK
T1  - Review of surface coal mining emission factors
DA  - [1991]
CY  - Research Triangle Park, NC :
CN  - EP 4.2:
PB  - Emission Factor and Inventory Group, Emissions, Monitoring, and Analysis Division, Office of Air Quality Planning   and Standards, U.S. Environmental Protection Agency,
PP  - Research Triangle Park, NC :
PY  - [1991]
N1  - "Prepared by Midwest Research Institute"--P. iii.
N1  - Distributed to depository libraries in microfiche.
N1  - Shipping list no.: 97-0137-M.
N1  - "July 1991."
N1  - "EPA-454/R-95-007."
ID  - 186951
KW  - Coal mines and mining
KW  - Air
TI  - Review of surface coal mining emission factors
ER  -