46th Annual ACE Conference. Held September 16-20, 2007 in Missoula, Montana at the Holiday Inn Parkside. Agenda (pdf)



Unless otherwise noted, all presentations have been converted to pdf (Adobe Acrobat) format.

Disclaimer: Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by of the conference hosts or sponsors. Nor do the views and opinions of authors expressed herein do not necessarily state or reflect those of the conference hosts or sponsors and shall not be used for advertising or product endorsement purposes.

All rights reserved: It should be noted that the following presentations are the sole property of the originator (speaker/author) and should not be used, modified, etc. without the originators express permission.

Welcome/Keynote Address
Kathy McAllister, Northern Region Deputy Regional Forester, US Forest Service
Dave Torell, Director of Conservation Initiatives, Rocky Mountain Elk Foundation

Improving Safety at Low-Head Dams
Paul Schweiger, PE, Gannett Fleming, Inc.

Design and Construction of the Dubois Fish Hatchery Rehabilitation Project
Brandon Gebhart, PE, STates West Water Resource Corporation, Wyoming Game and Fish Department

PADCNR Lyman Run Dam - Investigation and Replacement
David Wilson, PE, Gannett Fleming, Inc.

PADCNR Ryerson Station State Park Dam - Update on Monitoring and Conceptual Rehabilitation/Replacement Alternatives
Paul Lewis, PE, Gannett Fleming, Inc.

Remediation of an Unnatural Disaster - Johnson Shut-Ins State Park (Part 2)
Randy Knott, PE, MACTEC Engineering and Consulting, Inc.

Using Outdoor Recreational Trails Accessibility Guidelines (part 1) (part 2)
Kathie Snodgrass, US Forest Service, Missoula Technology & Development Center

Small Diameter Wood Utilization
Craig Rawlings, Small Wood Enterprise Agent, Montana Community Development Corporation

Rattlesnake Creek Trail Bridge, Suspension Trail Bridge Using Sustainable Materials
Brad Miller, PE, HDR

Engineering Innovation and Construction Practices of Bob Marshall Wilderness Bridges
Jack David, US Forest Service

Missouri River Ferry Rehabilitation
John Pavsek, PE, Morrison-Maierle, Inc.

Mill Town Dam Removal
Russ Forba, EPA
Doug Martin, State of Montana (presentation)
Peter Nielsen, Missoula County
Vaughn Anderson, DJ&A, PC (presentation)

Aquatic Organisms Passage
Traci Sylte, PE, US Forest Service (presentation)
John Kattell, PE, US Forest Service (presentation)
Shane Hendrickson, PE, US Forest Service (presentation)

Crooked Creek Fish Barrier, Custer National Forest
Jeremiah Theys, PE, Great West Engineering

Wild Rose Fish Hatchery Renovation & Compliance
John Hagman, Wisconsin Department of Natural Resources
Bob Roads, HDR/Fish Pro

Lunch Speaker
Anna Jones-Crabtree, Northern & Rocky Mountain Regions, Sustainable Operations Coordinator, US Forest Service

US 93
Dr. Marcel Huijser, Western Transportation Institute (presentation)
Dale Becker, Confederated Salish and Kootenai Tribes (presentation)
Pat Basting, Montana Department of Transportation (presentation)


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Ninemile Ranger Station



Mule Trailer

Mules at hitching post.


Prepping for dinner.

Dinner was delicious

Pack String Demonstration