TY  - RPRT
TI  - Diatremes of the Hopi Buttes, Arizona; chemical and statistical analyses
AU  - K. J. Wenrich
AU  - J. F. Mascarenas
PY  - 1982
DO  - 10.3133/ofr82740
UR  - https://pubs.usgs.gov/publication/ofr82740
ID  - ofr82740
ER  -