"We are seeing an exciting shift in communities after businesses left and downtowns are looking to revitalize, " said Jason Carey, founder of River Restoration, a Colorado-based engineering firm working on the Grand River effort.

WSJ: Real Rapids in Grand Rapids?

Poison in the Vadose Zone: An examination of the threats to the Snake River Plain aquifer from the Idaho National Engineering and Environmental Laboratory.

FORBES: 1st Person | Facing an Unsettled Future After Radiation Exposure

Even the mighty Chicago River, proclaimed as one of the great engineering efforts of its age, may be re-engineered.

FORBES: Currents Of The U.S. Economy Run In Chicago River's Twisted History

Louis sought a court injunction, but this engineering feat made the Chicago the first river in the world to flow away from its mouth.

FORBES: A most unromantic river

Vancouver, Canada-based precious metals mining company Wheaton River Minerals (amex: WHT - news - people ) and San Francisco-based civil engineering and design firm URS (nyse: URS - news - people ) both remained on the top buy list from two weeks ago.

FORBES: Magazine Article