TY  - BOOK
ED  - United States.
TI  - Coal research: hearing before Subcommittee on Minerals, Materials, and Fuels, 86th Congress, 1st session on S. 49 and S. 1362, June 10, 1959
PY  - 1959///
CY  - [Washington, D.C.]
KW  - Coal mines and mining
KW  - Research
KW  - United States
N1  - Distribution made by issuing office; CRDP Program Historic Shelflist record
ER  -