TY  - BOOK
AU  - Crawford,G.S.
TI  - A compilation of information on the occurrence, properties, and research into the utilization of pumicite in Saskatchewan
T2  - Saskatchewan. Dept. of Mineral Resources. Report
AV  - QE194 .A27 no. 16
PY  - 1955///
CY  - [Regina]
KW  - Pumice
KW  - Pozzuolanas
KW  - Volcanic ash, tuff, etc
N1  - "References": p. 26
ER  -