TY  - BOOK
AU  - Boyer,Diane E;Webb,Robert H.
TI  - : The 1923 USGS Colorado River Expedition 
SN  - 9780874216608
PB  - University Press of Colorado
KW  - History
KW  - HISTORY / General,HISTORY / United States / 20th Century,HISTORY / United States / State & Local / Southwest (AZ, NM, OK, TX)
UR  - www.jstor.org/stable/10.2307/j.ctt4cgqhx
ER  -