ABIQUIU LAKE, N.M. -- Throughout the 56 years the U.S. Army Corps of Engineers, Albuquerque District has been operating Abiquiu Lake as a flood control and water supply dam in the Chama River Valley ...

A floodplain map has three key components: base map imagery and/or cartographic line work, an elevation model representing the earth’s surface or “terrain,” and flood study results generated from ...

Climbers descend along Borah Peak’s Chickenout Ridge. Borah is actually four feet taller than traditionally thought, according to data from a new elevation measurement technique. Idaho Statesman file ...

Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. The nation is presently making an investment of more than $200 million per year in ...