Astoria-Megler Bridge
by Jeff B.
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Kelly Butte Civil Defense Center
by Jeff B.
| 
St. Johns Bridge
by Jeff B.
| 
Seattle Center Armory
by Jeff B.
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2011 08 26 God Bless the Grass
by Tracy O'Camera
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Concrete Mixer - Outdoor
by Ivan Teo
| 
Pouring the concrete - Coulage du béton
by lebororo
| 
"Tectonic Cube 5" Size: 2.25" Price: SOLD
by Brian Bowden
| 
Goose Island State Park
by John B. Chandler
| 
Tom Nevers Naval Base Concrete Structures
by Robert Levy
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