00947cam a22002771 4500 gs 56000336 DLC 20260227111404.0 831129s1955 snc 000 0 eng c gs 56000336 (OCoLC)10169179 U.S. Geol.Survey. Libr. CLSU OCoLC DLC premarc QE194 .A27 no. 16 Crawford, G. S. A compilation of information on the occurrence, properties, and research into the utilization of pumicite in Saskatchewan. [Regina] 1955. 34 p. illus., map, diagrs., tables. 26 cm. Saskatchewan. Dept. of Mineral Resources. Report no. 16 "References": p. 26. Pumice. Pozzuolanas. Volcanic ash, tuff, etc. Pumicite in Saskatchewan. Saskatchewan. Department of Mineral Resources. Report no. 16. 29104 29104