TY  - RPRT
TI  - John Wesley Powell: Pioneer statesman of federal science: Chapter A in The Colorado River region and John Wesley Powell (Professional Paper 669)
AU  - Mary C. Rabbitt
PY  - 1969
DO  - 10.3133/pp669a
UR  - https://pubs.usgs.gov/publication/pp669A
ID  - pp669A
ER  -