https://www.fws.gov/salmonofthewest/dams.htm
https://www.nwcouncil.org/reports/columbia-river-history/fishpassage
https://www.internationalrivers.org/dams-and-migratory-fish
https://www.iflscience.com/environment/impacts-hydroelectric-dams-biodiveristy-and-local-communities-often-under-estimated/
Fish Passage
Elwha Dam Removals
https://www.nps.gov/olym/learn/nature/elwha-ecosystem-restoration.htm
https://www.elwha.org/departments/river-restoration/
Demolition of Elwha Dam
https://www.internationalrivers.org/dams-and-geology
http://jersey.uoregon.edu/~mstrick/AskGeoMan/000093_AskGeo.html
https://www.reuters.com/article/environment-china-environment-dam-dc/three-gorges-dam-causes-downstream-erosion-study-idUST31738620070521
https://www.internationalrivers.org/human-impacts-of-dams
http://www.caltech.edu/news/negative-impacts-dam-construction-human-populations-can-be-reduced-author-says-957
Damnation
https://www.fema.gov/benefits-dams
