TY  - RPRT
TI  - Geochemical analyses of rock samples from the Black Butte district and Holderman Mountain area, Lane County, Oregon
AU  - Jocelyn A. Peterson
PY  - 1994
DO  - 10.3133/ofr94666
UR  - https://pubs.usgs.gov/publication/ofr94666
ID  - ofr94666
ER  -