US Forest Service Forest Service    Pacific Northwest Research Station Pacific Northwest Research Station

Portable Electronic Presentations

A portable electronic presentation is an online \ offline interactive learning resource
representing key scientific talks in an on-demand rich media format.

What is a PEP?           

Case Study: Tongass National Forest, Mitkof Island, 40,000 Road (FL1)

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Fl1 Presenters: John McDonnell, Bob Gubernick, Traci Sylte
Length: 8 min 44 s
View the presentation

Download the PC Executable 23 MB


  • John McDonnell Introduces the Project
  • Site-specific Biological Considerations
  • The Problem and the Solution
  • Downstream Design Considerations
  • Tailwater Controls
  • Upstream Controls
  • Design Solutions Stream Simulation
  • Hydrology Considerations
  • Timelapse Video