TY  - RPRT
TI  - Lower Turonian (Upper Cretaceous) Watinoceras devonense Zone ammonite fauna in Colorado, USA
AU  - W. J. Kennedy
AU  - W. A. Cobban
AU  - W.P. Elder
AU  - J.I. Kirkland
PY  - 1999
DO  - 10.1006/cres.1999.0172
UR  - https://pubs.usgs.gov/publication/70021287
ID  - 70021287
ER  -