TY  - RPRT
TI  - Geologic map and distribution of heavy minerals in Tertiary rocks of the Birney 30' x 60' Quadrangle, Big Horn, Rosebud, and Powder River counties, Montana
AU  - N.M. Denson
AU  - D. L. Macke
AU  - R.R. Schumann
AU  - M.E. Durrett
PY  - 1990
DO  - 10.3133/i2019
UR  - https://pubs.usgs.gov/publication/i2019
ID  - i2019
ER  -