TY  - RPRT
TI  - Report of the Geological Exploration of the Fortieth Parallel, Volume IV: Palæontoloy, Part I; Palæontology, Part II; Ornithology, Part III
AU  - Clarence King
AU  - F.B. Meek
AU  - James Hall
AU  - R.P. Whitfield
AU  - Robert Ridgway
PY  - 1877
DO  - 10.3133/70039230
UR  - https://pubs.usgs.gov/publication/70039230
ID  - 70039230
ER  -