P.246.144 Contractor’s Office and Commissary

P.246.145 Tunnel, Dam-site and Cableways looking upstream

P.246.146 Cross sectioning spillway cliff

P.246.147 Top of cliff right abutment

P.246.148 Flume after flood in May 1906

P.246.149 Temporary works after flood of June 13, 1906

P.246.150 Temporary works after flood of June 13, 1906

P.246.151 Detail of wrecked flume June 13, 1906

P.246.152 Weir of Temporary Dam

P.246.153 Upper Portal of Outlet Tunnel showing high water mark

P.246.154 Outlet Tunnel and Dam-site looking upstream

P.246.155 Looking upstream to Dam-site

P.246.156 Looking upstream to Dam-site          

P.246.157 Tunnel and Dam-site looking upstream

P.246.158 Tunnel and Dam-site looking upstream

P.246.159 Moving Class 4 excavation out of river at Dam-site

P.246.160 Dam-site upstream to Cableway tower

P.246.161 View of site looking downstream  Oct 1904

P.246.162 Boring outfit at site  Oct 1904

P.246.163 Temporary dam and flume between May and June floods 1906

P.246.164 Dam-site, Flume and Cableways

P.246.165 Tunnel and Dam-site looking upstream

P.246.166 Bed of river looking downstream at site

P.248.167 Looking downstream to site

P.246.168 Looking downstream to attempted cofferdam and rock pile at the sit

P.246.169Looking downstream to site

P.246.170 Abandoned cofferdam and piles of Class 4excavations blocking river

P.246.171 Outlet Tunnel and Dam-site looking downstream

P.246.172 Looking downstream to site tower

P.246.173 Looking downstream to site from cableway tower

P.246.174 Looking downstream to site from cableway tower

P.246.175 Temporary works

P.246.176 Temporary works

P.246.177 Temporary works

P.246.178 Temporary works

P.246.179 Temporary works and Plant

P.246.180 Flume on 30 degree turn

P.246.181 Flume upstream from 30 degree curve

P.246.182 Temporary diversion thru flume

P.246.183 Wreck of the Clarkson flume

P.246.184 Temporary works

P.246.185 Temporary works

P.246.186 Temporary works

P.246.187 Building flume in frost-bound trench

P.246.188 Temporary works

P.246.189 The new flume and the old

P.246.190 The new flume and the old

P.246.191 New flume completed

P.246.192 First timber in Temporary Dam

P.246.193 Cottonwood cribs of Temporary Dam

P.246.193 Cottonwood cribs of Temporary Dam

P.246.194 Diversion Dyke upstream from Temporary Dam

P.246.195 Excavation in frost for mudsills for Temporary Dam

P.246.196 Excavation in frost for mudsills for Temporary Dam

P.246.197 Cut-off trench and sheeting for Temporary Dam

P.246.198 Temporary Dam, showing damaged apron

P.246.199 Temporary Dam

P.246.200 Temporary Dam

P.246.201 Temporary Dam

P.246.202 Temporary Dam

P.246.203 Temporary Dam

P.246.204 Temporary Dam

P.246.205 Framing of sluiceway in Temporary Dam

P.246.206 Framing of sluiceway in Temporary Dam

P.246.207 Sluiceway of Temporary Dam

P.246.208 Head of Flume

P.246.209 Sluiceway in Temporary Dam

P.246.210 Gates of sluiceway looking downstream

P.246.211 Sluiceway just before turning on water for fires time

P.246.212 Upper Portal Outlet Tunnel

P.246.212 UpperPortal Outlet Tunnel

P.246.213 Outlet Tunnel

P.246.214 Upper Portal Outlet Tunnel

P.246.215 Lower Portal Outlet Tunnel

P.246.216Tunnel and Dam-site looking upstream

P.246.217 Downstream Portal Outlet Tunnel

P.246.219 East Portal of Road Tunnel

P.246.220 West Portal of Road Tunnel

P.246.221 West Portal of Road Tunnel

P.246.222 Site of Spillway

P.246.223 Spillway Cliff and Stone Crushing Plant

P.246.224 Site of Spillway: Re-setting stone crusher

P.246.225 Unloading Class 4 excavation from Dam-site

P.246.226 Unloading Class 4 excavation from Dam-site

P.246.227 Looking downstream to Dam-site from cableway tower

P.246.228 Rig for screening muck from Outlet Tunnel

P.246.229 Bridge over Shoshone River opposite Prendergast & Clarkson’s Camp

P.246.230 Contractor’s Office and Commissary

P.246.231 Contractor’s camp and log boom

P.246.232 Water flowing into cave about 500 ft upstream from the Temporary Dam