Columbia subject headings:
Channels (Hydraulic engineering)--Oregon--Deschutes River--Design and construction.
Irrigation canals and flumes--Linings--Oregon--Deschutes River--Design and construction.
Water conservation projects--Oregon.
Harvard subject headings:
Channels (Hydraulic engineering)--Oregon--Deschutes River--Design and construction.
Irrigation canals and flumes--Linings--Oregon--Deschutes River--Design and construction.
Water conservation projects--Oregon.
Princeton subject headings: