Construction of I-70 through Glenwood Canyon in Colorado has required several viaduct structures to be constructed on the talus slopes of the canyon. The talus has a high percentage of voids, and there is much concern that settlement could occur under pier and abutment foundations. To overcome this problem, compaction grouting was utilized, to treat the foundation soils.

John Wayne is without a doubt the quintessential All-American hero. Strong, silent, frank and rugged, he personified the ways of the Wild West and beyond, becoming an institution both on the big screen and in real life. Rainbow Valley: Rainbow Valley needs a new road; unfortunately, that new road will right through gold country. The star packer: John Travers is on the hunt for a mystereious outlaw named Shadow and his loyal Indian sidekick Yak....

This set of guidelines generally follows current practice in the Division for obtaining soil profiles and is intended to establish standardized procedures for use by the District Materials Sections in the performance of uniform and adequate soils investigations. It is not design manual. The recommendations presented herein are oriented toward the solution of such problems as pavement design, slope design, slope appearance, cost, landslides, embankment...

Round-leaf four o'clock (Oxybaphus rotundifolius) is a medium-tall plant in the Nyctaginaceae (Four o'clock Family) that is restricted to barren shale outcrops of the Smoky Hill Member of the Niobrara Formation in sparse shrublands or woodlands and is considered to be imperiled at a global and state level. One of the biggest conservation issues for this imperiled plant species is the lack of awareness of its existence and status. Avoiding or minimizing...