TY  - RPRT
TI  - [Seventh] Annual Report of the United States Geological and Geographical Survey of the Territories, embracing Colorado: being a report of progress of the exploration for the year 1873
AU  - Ferdinand Vandeveer Hayden
PY  - 1874
DO  - 10.3133/70038931
UR  - https://pubs.usgs.gov/publication/70038931
ID  - 70038931
ER  -