TY  - RPRT
TI  - Heavy-mineral suites confirm the wide extent of the Peach Springs Tuff in California and Arizona, U.S.A.
AU  - S. Gusa
AU  - J. E. Nielson
AU  - K. A. Howard
PY  - 1987
UR  - https://pubs.usgs.gov/publication/70014203
ID  - 70014203
ER  -