
The Portland Railway Light & Power Co line dictates the industrial corridor of the early 20th century, stretching southeast through Boring toward the hydroelectric developments at River Mill and Cazadero. Along the Clackamas River, the infrastructure of early power generation is evident at the Upper Dam, while the northern reaches show the critical Intake Portland Waterworks within the Bull Run National Forest. These features highlight the region's role as a vital resource hub for the growing metropolitan area nearby.
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5 editions found
10 maps found

1916 Estacada
Clackamas County, OR

1954 Estacada
Clackamas County, OR

1960 Estacada
Clackamas County, OR

1961 Estacada
Clackamas County, OR

2011 Estacada
Clackamas County, OR

2014 Estacada
Clackamas County, OR

2017 Estacada
Clackamas County, OR

2020 Estacada
Clackamas County, OR

2023 Estacada
Clackamas County, OR

2024 Estacada
Clackamas County, OR