Officials say water pumped from this excavation west of Union Station in Denver into the South Platte River has too much iron and will need a different permit and require different filtration.
Weekend CUP

Weekend CUP June 21, 2010

LiDAR-based geomorphic analysis of Martis Creek Dam finds new fault zone – Source: CE News 38 died in south China landslides – Source: China Daily The History of Tunneling at PB – Source: Tunnel Business Online Denver […]

Kleinfelder CEO Bill Siegel

We must not sell ourselves short: Engineering is an honorable profession

Kleinfelder CEO Bill Siegel

[Editor] Do we as geotechnical engineers and engineering geologists realize the impact of what it is that we do in our professions? Kleinfelder CEO Bill Siegel thinks we need to step back once and a while and look at the significance of our work. In this article contributed to, Mr. Siegel describes his observations at more than 50 Kleinfelder offices in this regard. I think I for one will have to work at taking his advice. Click through for Mr. Siegel’s excellent article. [/Editor]


Roof drills on the TBM installing 20-ft long rock bolts in the ceiling of the Niagara Tunnel
Project Related

A Novel Approach at Niagara: Robbins TBM Stands Up to Challenging Ground with Custom Lining and Ground Support

This article describes the challenges faced by the World’s largest hard rock TBM (47.2-ft in diameter) as it tunnels through some very difficult geology while constructing a massive tunnel under Niagara Falls for hydroelectric power […]

June 2010 Oliver, B.C. mudslide and debris flow
Geologic Hazards

Mudslide and Debris Flow in Oliver, B.C.

Five houses were destroyed and two more severely damaged but nobody was injured in a mudslide and debris flow that occured near Oliver, B.C. on Sunday. It occurred at 2:20 in the afternoon, and there […]

New elevation profiles in Google Earth 5.2
Software Updates

Google Earth 5.2 Released

Better support for GPS tracks and elevation profiles are some of the features found in this new version 5.2 of Google Earth. Also there is an improved embedded browser for handling links within GE and […]