TY  - RPRT
TI  - Progress report upon geographical and geological explorations and surveys west of the one hundredth meridian, in 1872, under the direction of Brigadier General A.A. Humphreys, Chief of Engineers, United States Army
AU  - George Montague Wheeler
PY  - 1874
DO  - 10.3133/70039937
UR  - https://pubs.usgs.gov/publication/70039937
ID  - 70039937
ER  -