TY  - RPRT
TI  - Stratigraphic sections of the Phosphoria formation in Montana, 1947-48
AU  - Roger Warren Swanson
AU  - W.R. Lowell
AU  - E. R. Cressman
AU  - D.A. Bostwick
PY  - 1953
DO  - 10.3133/cir209
UR  - https://pubs.usgs.gov/publication/cir209
ID  - cir209
ER  -