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