TY  - DATA
AU  - Webb, Robert H. ; Boyer, Diane E
TI  - Damming Grand Canyon: The 1923 USGS Colorado River Expedition
SN  - 978-0-87421-660-8
PY  - 2007///
PB  - University Press of Colorado
KW  - HistoryHISTORY / General;HISTORY / United States / 20th Century;HISTORY / United States / State & Local / Southwest (AZ, NM, OK, TX)
UR  - https://www.jstor.org/stable/10.2307/j.ctt4cgqhx
ER  -