Photograph of sills laid for flume around Bluff Gulch, showing the bed rounding a corner on a high altitude section of the flume.
Inscription recto: Sills laid for Flume around Bluff Gulch
Photograph of sills laid for flume around Bluff Gulch, showing the bed rounding a corner on a high altitude section of the flume.
Inscription recto: Sills laid for Flume around Bluff Gulch