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Subject (LCTGM)
Construction (7)
Dams (7)
Rivers (2)
Trucks (2)
Tunnels (2)
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 Image: Title: Subject (LCTGM): Description:

1. Missouri River at Garrison Dam construction site Missouri River at Garrison Dam construction site Dams; Construction; Rivers; Aerial photographs; An aerial view of the Missouri River wending its way through the Garrison Dam site, with excavation areas visible.

2. Breakthrough at tunnel 7, Garrison Dam site Breakthrough at tunnel 7, Garrison Dam site Dams; Construction; Tunnels; Men working on the downstream side of tunnel seven at the Garrison Dam construction site finally meet up with the workers on the upstream side. A photographer and other men wearing hardhats are there to...

3. Lake after coffer dam construction, Garrison Dam site Lake after coffer dam construction, Garrison Dam site Dams; Construction; Lakes & ponds; Bulldozers; A bulldozer sits in the foreground, in front of a temporary lake created by the construction of a coffer dam at the Garrison Dam construction site. A temporary bridge is also visible in the distance.

4. Trucks on main embankment, Garrison Dam Trucks on main embankment, Garrison Dam Dams; Construction; Trucks; Trucks transporting soil drive across the main embankment at the Garrison Dam construction site.

5. Breakthrough of tunnel seven, Garrison Dam construction site Breakthrough of tunnel seven, Garrison Dam construction site Dams; Construction; Firsts; A man exits a hole in tunnel seven at the Garrison Dam construction site from the downstream site, and is greeted by photographers and other men on the other side.

6. Breakthrough at tunnel 7, Garrison Dam site Breakthrough at tunnel 7, Garrison Dam site Dams; Construction; Tunnels; An assembled crowd watches while men breakthrough in tunnel seven of the Garrison Dam construction site. Two men stand at the top of a staircase that leads up to the hole connecting the upstream and downstream...

7. Work on outlet channel, Garrison Dam site Work on outlet channel, Garrison Dam site Dams; Construction; Trucks; Trucks load up with dirt at the outlet plug of the Garrison Dam construction site.

8. Ice going out on the Missouri River, Sanish, N.D. Ice going out on the Missouri River, Sanish, N.D. Ice; Ice floes; Fog; Buttes; Rivers; Postcards; Ice is breaking up on the Missouri River near Sanish and beginning to float downstream. Buttes partially shrouded by mist are visible in the distance.
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