Existing comment:
1869
John C. Summer
Walter H. Powell
C.Y. Bradley
William R. Hawkins
Andrew Hall
1872
A.H. Thompson
F.S. Dellenbaugh
John K. Hillers
Stephen V. Jones
W. Clement Powell
Andrew J. Hattan
Erected by the Congress of the United States to Major John Wesley Powell first explorer of the Grand Canyon who descended the river with his party in row-boats traversing the gorge beneath this point August 17 1869 and again September 1 1872. |