TY  - RPRT
TI  - Preliminary report of the field work of the U.S. Geological and Geographical Survey of the Territories for the season of 1877
AU  - Ferdinand Vandeveer Hayden
PY  - 1877
DO  - 10.3133/70039794
UR  - https://pubs.usgs.gov/publication/70039794
ID  - 70039794
ER  -