g $áWYEARN RIVERMILEN MAP_NON AGENCYC VOLUMEC OBJECTIVEC) 1976 112 760USBR NA Riffle construction 1976 112 770USBR NA Riffle construction 1976 111 785USBR NA Riffle construction 1976 110 790USBR NA Riffle construction 1976 110 800USBR NA Riffle construction 1976 109 810USBR NA Riffle construction 1976 109 820USBR NA Riffle construction 1977 111 830USBR NA Riffle construction 1977 111 840USBR NA Riffle construction 1977 109 850USBR NA Riffle construction 1977 107 860USBR NA Riffle construction 1977 106 870USBR NA Riffle construction 1977 106 880USBR NA Riffle construction 1977 104 890USBR NA Riffle construction 1983 112 761DWR 2,400 yd3Spawning gravel placement / riffle repair 1983 111 781DWR NA Spawning gravel placement / riffle repair 1983 110 791DWR NA Spawning gravel placement / riffle repair 1983 110 801DWR NA Spawning gravel placement / riffle repair 1983 109 821DWR NA Spawning gravel placement / riffle repair 1983 111 831DWR NA Spawning gravel placement / riffle repair 1983 111 841DWR 400 yd3 Spawning gravel placement / riffle repair 1983 109 851DWR NA Spawning gravel placement / riffle repair 1984 112 762DWR 775 yd3 Spawning gravel placement / riffle rehabi 1984 112 771DWR 126 yd3 Spawning gravel placement / riffle rehabi 1984 111 780DWR 860 yd3 Spawning gravel placement / riffle rehabi 1986 112 765NA NA Spawning gravel placement 1989 110 1930USBR 400 yd3 Spawning gravel placement 1989 111 1920USBR 900 yd3 Spawning gravel placement 1989 110 1925USBR 500 yd3 Spawning gravel placement 1989 108 1935USBR 200 yd3 Spawning gravel placement 1989 107 1940USBR 200 yd3 Spawning gravel placement 1989 112 1915USBR 1,175 yd3Spawning gravel placement 1998 111 1950USBR 1,000 tonSpawning gravel placement 1998 111 1965USFS 800 yd3 Spawning gravel placement 1999 111 1955USBR 1,000 tonSpawning gravel injection 2000 111 1960USBR 2,000 tonSpawning gravel injection