TY  - RPRT
TI  - Geologic map of the Lassen Peak, Chaos Crags, and Upper Hat Creek area, California
AU  - Robert L. Christiansen
AU  - Michael A. Clynne
AU  - L.J. Patrick Muffler
PY  - 2002
DO  - 10.3133/imap2723
UR  - https://pubs.usgs.gov/publication/i2723
ID  - i2723
ER  -