Author :
Publisher :
Page : pages
File Size : 16,88 MB
Release : 2002
Category : Fishways
ISBN :
"This Design Document Report provides background information and documents the design for improvements to the entrance and lower ladder sections of the John Day Lock and Dam North Fish Ladder (JDAN). The entrance and lower ladder sections include the fish ladder entrance structure, auxiliary water supply (AWS) system, lower ladder diffusers (diffusers #1-15), and lower ladder weirs (weirs #155-175)."--The Executive Summary.