Cazadero Dam, suspension bridge at powerhouse
River Mill, suspension bridge
River Mill, bridge and suspension bridge
River Mill, suspension bridge
Oregon Electric Railway Bridge over Willamette River at Wilsonville, Oregon
Clackamas River in Estacada
Covered bridge, Clackamas County, Oregon
Molalla River Bridge
Cascade Highway bridge crossing at Milk Creek, Mulino
Covered bridge, Clackamas County, Oregon
Covered bridge, Clackamas County, Oregon
Timothy Lake, log bridge
Portland General Electric Photograph Collection
Portland General Electric Photograph Collection
River Rill
River Mill
Bridge over Sandy River
Construction of Oregon Electric Railway Bridge over Willamette River at Wilsonville, Oregon