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Governance restructuring frequently asked questions
AEG recently sent out a letter to its members in regards to the current governance restructuring process. Do you continue to have questions about this process? Read more to view the governance restructuring frequently asked questions and for answers!
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DFI 40th Annual Conference on Deep Foundations: Oct. 12-15
Deep Foundations Institute
Join Deep Foundations Institute (DFI) in celebrating their 40th Anniversary! DFI's Annual Conference on Deep Foundations is the event for industry professionals from across the globe to gather and share experiences, exchange ideas and learn the current state-of-the-practice from various disciplines.

Engineers, contractors, manufacturers, suppliers, owners, government agencies and academicians will meet in Oakland to attend informative technical sessions, learn more about the latest innovations in deep foundations technology in the Exhibit Hall and much more.

See the DFI Conference page for additional information.

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  No Travel Required Online Geotechnics
ME | PhD | Certificate

Designed for geologists and engineers working in the geotechnical industry. Live Stream Video, Collaborative Software, Archived Classes.


Mercury, selenium are accumulating in the Colorado River food web of the Grand Canyon
U.S. Geological Survey
Although the Grand Canyon segment of the Colorado River features one of the most remote ecosystems in the United States, it is not immune to exposure from toxic chemicals such as mercury according to published research in Environmental Toxicology and Chemistry.

The study, led by the U.S. Geological Survey, found that concentrations of mercury and selenium in Colorado River food webs of the Grand Canyon National Park, regularly exceeded risk thresholds for fish and wildlife. These risk thresholds indicate the concentrations of toxins in food that could be harmful if eaten by fish, wildlife and humans. These findings add to a growing body of research demonstrating that remote ecosystems are vulnerable to long-range transport and bioaccumulations of contaminants.

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Science highlights

Check out what's going on in science and around the industry:
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Cascadia initiative to monitor Northwest Pacific seismic risks
Seismological Society of America via
The preliminary results from the Cascadia initiative include a report of previously undetected, small earthquakes offshore and seismic imaging that reveals new offshore structures at the subduction zone. The reports, published as a focus section in the September-October 2015 issue of Seismological Research Letters, also provide an update on how well the initiative's instruments are operating, including a look at how seafloor pressure monitors can detect tsunamis in the region.
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Depth domain inversion bridges the divide between seismic imaging,
rock properties

The quest for new sources of hydrocarbons has pushed the exploration and production industry into more geologically complex offshore environments that impose greater challenges on accurate geophysical reservoir characterization. While seismic acquisition and imaging techniques have made great technical strides, a disconnect remains between the seismic images obtained and the properties of the rock formation.
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Views expressed in this publication are not necessarily those officially representing the Association of Environmental & Engineering Geologists except where expressly stated.


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