TY  - BOOK
AU  - Searight,Walter Vernon
TI  - Slacking properties of South Dakota coals,
T2  - South Dakota. State Geologist. Report of investigations,
AV  - TP326.U6 S875
PY  - 1932///
CY  - Vermillion, S.D.
PB  - University of South Dakota
KW  - Coal
KW  - South Dakota
N1  - At head of title: South Dakota geological and natural history survey, E. P. Rothrock, state geologist; Mimeographed
ER  -