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 […]

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 […]

Workers form concrete floodwalls in the New Orleans lakefront area
Weekend CUP

Weekend CUP June 14, 2010

Geotechnical Data Management at the Virginia Department of Transportation – Source: TRB Hurricane season begins Tuesday with $5.8 billion of work still in progress – Source: NOLA.com via ASCE SmartBrief ‘Although this is significant progress […]

Inside the Devil's Slide tunnel construction, by kxyoung on Flickr
Project Related

Flickr: kxyoung’s stuff tagged with devilsslide

These are some really fantastic photos of the Devil’s Slide tunnel construction. For those who aren’t familiar, the tunnels will be bypassing a particularly landslide and rockslide-prone portion of the California Coast that is currently […]