![Photographic copy of photograph (September 20, 1908, original print in possession of Montana Power Company, Butte, Montana). 'MIXING CONCRETE FOR LOWER COFFER DAM' - Milltown Dam, Clark Fork River, 6 miles upstream Photographic copy of photograph (September 20, 1908, original print in possession of Montana Power Company, Butte, Montana). 'MIXING CONCRETE FOR LOWER COFFER DAM' - Milltown Dam, Clark Fork River, 6 miles upstream](https://c8.alamy.com/comp/TDPR18/photographic-copy-of-photograph-september-20-1908-original-print-in-possession-of-montana-power-company-butte-montana-mixing-concrete-for-lower-coffer-dam-milltown-dam-clark-fork-river-6-miles-upstream-from-missoula-milltown-missoula-county-mt-TDPR18.jpg)
Photographic copy of photograph (September 20, 1908, original print in possession of Montana Power Company, Butte, Montana). 'MIXING CONCRETE FOR LOWER COFFER DAM' - Milltown Dam, Clark Fork River, 6 miles upstream
![Photographic copy of photograph of reconstruction drawing (March 6, 1909, original print in possession of Montana Power Company, Butte, Montana). 'PLAN AND DOWNSTREAM ELEVATION OF RECONSTRUCTION WORK' - Milltown Dam, Clark Fork Photographic copy of photograph of reconstruction drawing (March 6, 1909, original print in possession of Montana Power Company, Butte, Montana). 'PLAN AND DOWNSTREAM ELEVATION OF RECONSTRUCTION WORK' - Milltown Dam, Clark Fork](https://c8.alamy.com/comp/TDPR9N/photographic-copy-of-photograph-of-reconstruction-drawing-march-6-1909-original-print-in-possession-of-montana-power-company-butte-montana-plan-and-downstream-elevation-of-reconstruction-work-milltown-dam-clark-fork-river-6-miles-upstream-from-missoula-milltown-missoula-county-mt-TDPR9N.jpg)
Photographic copy of photograph of reconstruction drawing (March 6, 1909, original print in possession of Montana Power Company, Butte, Montana). 'PLAN AND DOWNSTREAM ELEVATION OF RECONSTRUCTION WORK' - Milltown Dam, Clark Fork
![File:"Foreman Clark and two of the shaftmen, Arthur Roberts and Sam Mynatt, at the mouth of the test tunnel at Norris Dam... - NARA - 532664.jpg - Wikimedia Commons File:"Foreman Clark and two of the shaftmen, Arthur Roberts and Sam Mynatt, at the mouth of the test tunnel at Norris Dam... - NARA - 532664.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/4/41/%22Foreman_Clark_and_two_of_the_shaftmen%2C_Arthur_Roberts_and_Sam_Mynatt%2C_at_the_mouth_of_the_test_tunnel_at_Norris_Dam..._-_NARA_-_532664.jpg)