TY  - RPRT
TI  - Hornblendes from a region of high-grade metamorphism, Front Range, Colorado
AU  - Dolores J. Gable
AU  - Vertie C. Smith
PY  - 1975
DO  - 10.3133/b1392
UR  - https://pubs.usgs.gov/publication/b1392
ID  - b1392
ER  -