Skip to main content


Glen Canyon Dam and Powerhouse, Ariz. This key structure on the upper Colorado River is 580 ft. above the river level and created 186 mile-long Lake Powell. The Diversion Tunnel and 4 Butterfly Valves discharge water for testing purposes only. Glen Canyon Bridge, highest steel Arch in the world, is 700 ft. above the river. (Caption given by Josef Muench)

Small
Medium
Large
Extra Large
Full-size
Full-size archival image
  •  
Loading content ...
you wish to report:


...
Select the collections to add or remove from your search
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
 
OK