
AEG 66th Annual Meeting
Association of Environmental & Engineering Geologists
Portland, Oregon Marriott Downtown Waterfront
September 19-24, 2023


Join us for the first AEG Annual Meeting Virtual Day. This will be an online only day of technical presentations for those that would like to
participate in the Annual Meeting, but are unable to attend. Registration for this event will be included with all Annual Meeting full and
student registrations. All presentations will be recorded for later viewing. 6 PDHs will be available for this session.
Time Title Presenter
7:30-7:40 am Welcome AEG Executive Council
7:40-8:10 am CM Oversight of the Upper Llagas Creek Flood Protection Project Phase 2A Stormwater Bypass Tunnel Scott Ball
8:10-8:40 am The Emerging Challenge of Naturally Occurring Asbestos in Europe: Recent Legislative Procedures Ambra Hyskaj
in the European Union
8:40-9:10 am Evaluating the Efficacy of Manmade Canals at Maintaining Lake Habitats for Salmon and Birds Using Adrian Jimenez
Seasonal Variations in Isotopes of Meteoric Water
9:10-9:40 am Geological Engineering Conditions Controlling Rio Coca Regressive Erosion and Potential Mitigation Todd Loar
Alternatives, San Luis, Ecuador
9:40-10:10 am Towards a Multiscale Integrated Approach to Assess the Potential Risk of NOA Jasmine Rita Petriglieri
10:10-10:30 am Break
10:30-11:00 am Update on Precise Tree-Ring Dating of Selected Subfossil Forests in Cascadia—Tree Victims of Patrick Pringle
Geologic Events and Environmental Disturbances
11:00-11:30 am Tunneling in Seattle – The Good, The Bad and The Ugly Robert (Red) Robinson
11:30am-12:00pm Constructed Dam Safety Modification for Risk Reduction at the Isabella Dam Safety Modification Project David Serafini
12:00-1:00 pm Lunch
1:00-1:30pm Yes, You Can! Working for Yourself as a Sole Proprietor in the Geosciences Jennifer Wilson
1:30-2:00pm Evaluating the Controls on Post-Fire Debris Flows in the Pacific Northwest David Sousa
2:00-2:30pm Geotechnical Properties of Crowley Ridge Loess at Bear Creek Dam, Marianna, Arkansas Egboche Unobe