TY  - RPRT
TI  - Ninth Annual Report of the United States Geological and Geographical Survey of the Territories, embracing Colorado and parts of adjacent Territories: being a report of progress of the exploration for the year 1875
AU  - Ferdinand Vandeveer Hayden
PY  - 1877
DO  - 10.3133/70038933
UR  - https://pubs.usgs.gov/publication/70038933
ID  - 70038933
ER  -