Calendar: 1990 Calendar
Featured bridges are: Bixby Creek Bridge (CA); Bridge 28 (NY); Hell Gate Bridge (NY); Tioronda Bridge (NY); Bellows Falls Bridge (NH); Laughery Creek Bridge (IN); Wilson Bridge (MD); Alsea...
Calendar: A Calendar Illustrating Bridges, Aqueducts and Viaducts Designated National Historic Civil Engineering Landmarks (1981)
Featured landmarks are: Eads Bridge (MO); Tunkhannock Viaduct (PA); Bridgeport Covered Bridge (CA); Bollman Truss Bridge (MD); The Mississippi River Bridge of the Great Northern Railroad...
Pipe Up
The East Bay Municipal Utility District (EBMUD) provides potable water for approximately 1.2 million people in San Francisco's East Bay area and is constructing seismic upgrades...
Effect of Pump-Ins on California Aqueduct Water Quality
A model has been developed, based on the assumption of constant Aqueduct volume, to predict the effect of ground water pump-ins on Aqueduct water quality. Designated SuperCAMP (California...
Alternative Designs for Permanent Protection of the San Luis Rey River Aqueduct Crossings
The San Diego County water Authority was organized to provide an imported supply of water to the San Diego region. The sole source of the water to the Authority is Metropolitan Water District...
Comparison of Aqueduct Reconstruction & Tunneling
The Massachusetts Water Resources Authority (MWRA) is proposing to provide redundancy for the Hultman Aqueduct which transports water over a distance of roughly 27 km. (16.9 mi.) into...
Coping with Agricultural Shortages
Coping with agricultural shortages occupies most of the time and energy of the Kern County Water Agency (Agency). The Agency's participation in the State Water Project (SWP) originated...
Relining of Jordan Aqueduct, Reach 3
As pipelines approach their life expectancy, they may need to be replaced. Or in some instances, replacement is needed much sooner due to defective pipe. Normal replacement operations...
Ozoning the Aqueduct
Only the second of its kind in the United States, the Los Angeles Aqueduct Filtration Plant is using ozone to treat drinking water. The water comes from the Sierra Nevadas via the 300...
Sedimentation Problems of the California Aqueduct
The California Aqueduct crosses the alluvial fans of many intermittent streams on the west side of the San Joaquin Valley. At two sites where watershed sediment yields were underestimated,...
Lifeline Risk Analyses: The Mokelumne Aqueduct Study
Probabilistic risk analysis methods are applied to the evaluation of seismic and non-seismic vulnerability of a 25-kilometer length of a major lifeline aqueduct system. In addition to...
Will Southern California Revert to a Desert?
The nearly 13 million people in Southern California - one-half of California's population - face the prospect of water shortages in the near future. These people depend on...
1842: Old Croton Aqueduct Brings Water, Rescues Manhattan From Fire, Disease
From 1774 to 1835 Manhattan experienced tremendous growth but needed better water supply to protect public health and to fight fires. Several proposals for providing water were forwarded...
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