TY  - RPRT
TI  - Miscellaneous nonmetallic products
AU  - C. W. Hayes
AU  - W. C. Phalen
AU  - D.B. Sterrett
PY  - 1908
DO  - 10.3133/b340m
UR  - https://pubs.usgs.gov/publication/b340M
ID  - b340M
ER  -