Flood-alert instrument tower with electronics shelter and precipitation gage at top of tower.
Images
Below are images associated with the Arizona Water Science Center.
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Flood-Alert Instrument Tower
Flood-alert instrument tower with electronics shelter and precipitation gage at top of tower.
Electronics shelter on Flood-Alert Instrument Tower
Electronics inside the instrument shelter, which includes a high-data-rate transmitter (upper right) and line-of-sight receiver (middle left). The line-of-sight receiver picks up transmissions from the remote rain gage at the look-out area at the top of the Montezuma Pass, Arizona.
Electronics inside the instrument shelter, which includes a high-data-rate transmitter (upper right) and line-of-sight receiver (middle left). The line-of-sight receiver picks up transmissions from the remote rain gage at the look-out area at the top of the Montezuma Pass, Arizona.
USGS divers in the Elwha River
USGS divers Steve Rubin and Reg Reisenbichler laying out a survey transect in the Elwha River in northern Washington.
USGS divers Steve Rubin and Reg Reisenbichler laying out a survey transect in the Elwha River in northern Washington.
The Colorado River drainage basin and Lees Ferry
The Colorado River Basin showing the location of Lees Ferry, Glen Canyon Dam, and the Lees Ferry and other U.S. Geological Survey gaging stations (with station numbers) used in this study. Modified from Topping and others, 2003.
The Colorado River Basin showing the location of Lees Ferry, Glen Canyon Dam, and the Lees Ferry and other U.S. Geological Survey gaging stations (with station numbers) used in this study. Modified from Topping and others, 2003.
Lees Ferry on the Colorado River, Arizona, 1923
September 21, 1923, 9:00 a.m. --- Colorado River at Lees Ferry. From right bank on line with Klohr's house and gage house. Old "Dugway" or inclined gage shows to left of gage house. Gage height 11.05', discharge 27,000 cfs. Lens 16, time =1/25, camera supported. Photo by G.C. Stevens of the USGS. Source: 1921-1937 Surface Water Records File, Colorado R.
September 21, 1923, 9:00 a.m. --- Colorado River at Lees Ferry. From right bank on line with Klohr's house and gage house. Old "Dugway" or inclined gage shows to left of gage house. Gage height 11.05', discharge 27,000 cfs. Lens 16, time =1/25, camera supported. Photo by G.C. Stevens of the USGS. Source: 1921-1937 Surface Water Records File, Colorado R.