TY  - RPRT
TI  - Geology, mineral resources, and mineral industry: Appendix
AU  - W. P. Irwin
AU  - D.B. Tatlock
AU  - F. Weibelt
AU  - G.B. Shea
AU  - R.B. Mauerer
PY  - 1955
UR  - https://pubs.usgs.gov/publication/70197727
ID  - 70197727
ER  -