8 Articles found

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  • Colorado Irrigation Canal Channels - Case Study

    Colorado Irrigation Canal Channels - Case Study

    Project Background “Different materials to protect canal liners had been tried in irrigation canals across the West over the past 15 or 20 years.   One typical method uses a low cost earthen material like clay. Over time, however, ...

  • Friends university Davis hall, Wichita, Kansas

    Friends university Davis hall, Wichita, Kansas

    When officials at Friends University, Wichita, wanted to beautify the exterior of the newly renovated historic Davis Hall, they knew they would have to remove the large driveway leading up to the main entrance from the front gate. But what if ...

  • 1999 IFAI award tanner/moffett creeks, Columbia river gorge, Oregon

    1999 IFAI award tanner/moffett creeks, Columbia river gorge, Oregon

    When a plan was proposed to connect two sections of Highway 30 by constructing one mile of highway from Tanner Creek to Moffet Creek, the Oregon Department of Transportation (ODOT) took on both the engineering design and public relations challenges ...

  • British rail - track sub-ballast, England

    British rail - track sub-ballast, England

    Soft sub-soils created problems for the highspeed British Rail Eastern Region rail line in Northumberland, England. Rail speed on the Intercity line from Edinburgh to London had to be significantly reduced because of the soft peat sub-base. The ...

  • US forest service low water crossing, Chattahoochee-Oconee National Forest, Georgia

    US forest service low water crossing, Chattahoochee-Oconee National Forest, Georgia

    No we aren`t kidding - Region 8 has installed a plastic ford. We have been searching for ways to cut costs on Traffic Service Level D roads, and there is a new product on the market called `GEOWEB,` manufactured by Presto Products Company. A diagram ...

  • Cove Mt. Farm - stream crossing, Pennsylvania

    Cove Mt. Farm - stream crossing, Pennsylvania

    Cove Mt. Farm, located in South Central, Pennsylvania had three stream crossings used to move livestock and farm equipment across Little Cove Creek. The 40-foot wide main crossing, located about 100 yards east of the milking center, received the ...

  • Moon Creek tailings containment, Idaho Panhandle National Forest, Shoshone County, Idaho

    Moon Creek tailings containment, Idaho Panhandle National Forest, Shoshone County, Idaho

    NEARLY five to six years ago, when one walked through the lower tailings areas of the Moon Creek site, it may have indeed seemed like a lunar landscape: there were very few trees or plants growing along the narrow valley floor, only the tan and ...

    Susan M. Alvarez, Jeff K. Johnson and Rob Spafford

  • Hwy E, Freedom, Wisconsin

    Hwy E, Freedom, Wisconsin

    Wisconsin winters are notorious for the damage they can cause to roads. An example of winter’s influence was seen on Highway E, a winding, two-lane asphalt road that serves commuters between Little Chute and Oneida. Once called the worst stretch of ...

    Larry Flynn