Rutile in Precambrian sillimanite-quartz gneiss and related rocks, east-central Front Range, Colorado: USGS Professional Paper 959-G, 1976, 16 pp. Very good condition.
Geochemical anomalies and alteration in the Moenkopi Formation, Skull Creek, Moffat County, Colorado: USGS Professional Paper 761, 1972, 21 pp. Very good condition.
Specifics
- All returns accepted: ReturnsNotAccepted
- Condition: Used