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- River_Mill_Hydroelectric_Project abstract "River Mill Hydroelectric Project, also known as River Mill Dam and Station M, is a hydroelectric dam and powerhouse in Clackamas County, Oregon, United States. It is just north of Estacada, Oregon on the Clackamas River at river mile 23.5.The dam has been in continuous production of hydroelectric power since 1911, when its construction was funded by the Portland Railway, Light and Power Company. It was one of four related projects on the Clackamas River: the Oak Grove Hydroelectric Project (developed 1923-1956), the North Fork dam (1958), and the Faraday Dam (1907-1910), all upstream (south) of River Mill. All four are still owned and operated by the successor company, Portland General Electric.The principle designer of the original Mill Run Dam was the Norwegian immigrant Nils F. Ambursen (1876-1958). Based in Boston, his Ambursen Hydraulic Construction Company designed over a hundred dams in the United States from 1903 through 1917. Ambursen's patented concrete-slab-and-buttress dam design was a significant advance in dam design of this era. Mill Run is one of only three Ambursen-type dams built west of the Mississippi, and evidently the only one to survive.The project is listed on the National Register of Historic Places, and in the Oregon Historic Sites Database of the Oregon State Historic Preservation Office.".
- River_Mill_Hydroelectric_Project added "2001-05-10".
- River_Mill_Hydroelectric_Project architect Nils_F._Ambursen.
- River_Mill_Hydroelectric_Project area "20234.282112".
- River_Mill_Hydroelectric_Project governingBody Portland_General_Electric.
- River_Mill_Hydroelectric_Project nrhpReferenceNumber "01000497".
- River_Mill_Hydroelectric_Project thumbnail River_Mill_Dam_Estacada_Oregon.JPG?width=300.
- River_Mill_Hydroelectric_Project wikiPageExternalLink sianv312.pdf.
- River_Mill_Hydroelectric_Project wikiPageID "22121672".
- River_Mill_Hydroelectric_Project wikiPageRevisionID "554840491".
- River_Mill_Hydroelectric_Project yearOfConstruction "1911".
- River_Mill_Hydroelectric_Project added "2001-04-03".
- River_Mill_Hydroelectric_Project added "2001-05-01".
- River_Mill_Hydroelectric_Project added "2001-05-10".
- River_Mill_Hydroelectric_Project architect "Nils F. Ambursen, Puget Sound Bridge & Dredging Co.".
- River_Mill_Hydroelectric_Project architecture "Hydroelectric facility".
- River_Mill_Hydroelectric_Project built "1911".
- River_Mill_Hydroelectric_Project governingBody Portland_General_Electric.
- River_Mill_Hydroelectric_Project hasPhotoCollection River_Mill_Hydroelectric_Project.
- River_Mill_Hydroelectric_Project locmapin "Oregon".
- River_Mill_Hydroelectric_Project name "River Mill Hydroelectric Project".
- River_Mill_Hydroelectric_Project nearestCity Estacada,_Oregon.
- River_Mill_Hydroelectric_Project refnum "1000497".
- River_Mill_Hydroelectric_Project subject Category:1911_establishments_in_Oregon.
- River_Mill_Hydroelectric_Project subject Category:Buildings_and_structures_in_Clackamas_County,_Oregon.
- River_Mill_Hydroelectric_Project subject Category:Dams_in_Oregon.
- River_Mill_Hydroelectric_Project subject Category:Dams_on_the_National_Register_of_Historic_Places.
- River_Mill_Hydroelectric_Project subject Category:Disc_golf_courses.
- River_Mill_Hydroelectric_Project subject Category:Energy_infrastructure_completed_in_1911.
- River_Mill_Hydroelectric_Project subject Category:Hydroelectric_power_plants_in_Oregon.
- River_Mill_Hydroelectric_Project subject Category:National_Register_of_Historic_Places_in_Clackamas_County,_Oregon.
- River_Mill_Hydroelectric_Project subject Category:Portland_General_Electric_dams.
- River_Mill_Hydroelectric_Project point "45.29989 -122.35042".
- River_Mill_Hydroelectric_Project type Artifact100021939.
- River_Mill_Hydroelectric_Project type Building102913152.
- River_Mill_Hydroelectric_Project type BuildingsAndStructuresCompletedIn1911.
- River_Mill_Hydroelectric_Project type BuildingsAndStructuresInClackamasCounty,Oregon.
- River_Mill_Hydroelectric_Project type Object100002684.
- River_Mill_Hydroelectric_Project type PhysicalEntity100001930.
- River_Mill_Hydroelectric_Project type Structure104341686.
- River_Mill_Hydroelectric_Project type Whole100003553.
- River_Mill_Hydroelectric_Project type YagoGeoEntity.
- River_Mill_Hydroelectric_Project type YagoPermanentlyLocatedEntity.
- River_Mill_Hydroelectric_Project type ArchitecturalStructure.
- River_Mill_Hydroelectric_Project type Building.
- River_Mill_Hydroelectric_Project type Place.
- River_Mill_Hydroelectric_Project type Wikidata:Q532.
- River_Mill_Hydroelectric_Project type Place.
- River_Mill_Hydroelectric_Project type Place.
- River_Mill_Hydroelectric_Project type Location.
- River_Mill_Hydroelectric_Project type SpatialThing.
- River_Mill_Hydroelectric_Project comment "River Mill Hydroelectric Project, also known as River Mill Dam and Station M, is a hydroelectric dam and powerhouse in Clackamas County, Oregon, United States. It is just north of Estacada, Oregon on the Clackamas River at river mile 23.5.The dam has been in continuous production of hydroelectric power since 1911, when its construction was funded by the Portland Railway, Light and Power Company.".
- River_Mill_Hydroelectric_Project label "River Mill Hydroelectric Project".
- River_Mill_Hydroelectric_Project sameAs m.05p35sn.
- River_Mill_Hydroelectric_Project sameAs Q7337635.
- River_Mill_Hydroelectric_Project sameAs Q7337635.
- River_Mill_Hydroelectric_Project sameAs River_Mill_Hydroelectric_Project.
- River_Mill_Hydroelectric_Project lat "45.29989".
- River_Mill_Hydroelectric_Project long "-122.35042".
- River_Mill_Hydroelectric_Project wasDerivedFrom River_Mill_Hydroelectric_Project?oldid=554840491.
- River_Mill_Hydroelectric_Project depiction River_Mill_Dam_Estacada_Oregon.JPG.
- River_Mill_Hydroelectric_Project isPrimaryTopicOf River_Mill_Hydroelectric_Project.
- River_Mill_Hydroelectric_Project name "River Mill Hydroelectric Project".
