<>Links related to fish passages from Fred Goetz,

<>U.S. Army Corps of Engineers.

Overview of adult and juvenile fish passage in Columbia.

http://www.nwd.usace.army.mil/ps/colrvbsn.htm

England fishways

http://www.environment-agency.gov.uk/subjects/fish/165773/169852/173177/?lang=_e

Washington Fishway Design Guidance

http://wdfw.wa.gov/hab/ahg/fishguid.pdf

Washington Design Criteria for Salmon and Road Crossings

http://www.dfg.ca.gov/nafwb/pubs/2002/culvert_criteria.pdf

Brief overview of other countries

http://www.fao.org/DOCREP/004/Y2785E/y2785e03a.htm

Massachusetts

http://www.mass.gov/dfwele/dmf/publications/tr16_anad_p2_intro.pdf

Five types of fishway design

http://www.chesapeakebay.net/info/fishpass_options.cfm

Write-ups on those designs

Photos of some of the designs

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