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Home > Oregon > Portland > Portland General Electric Company, Station "L", 1841 Southeast Water Street, Portland, Multnomah County, OR



See 32 maps of this location


B&W Photos
General Site, Looking Northeast From The Ross Island Bridge
HB993918
General Site, Looking Northeast From The Ross Island Bridge
Station
HB993919
Station 'l' Site, Looking Northeast From The Ross Island Bridge
Station
HB993920
Station 'l' Site, Looking Northeast, Marquam Bridge To The Left
View Of Station
HB993921
View Of Station 'l' From West Bank Of The Willamette River, Screen Houses And Turbine Buildings In Foreground
View Of Station
HB993922
View Of Station 'l' Beneath The Marquam Bridge, Screen Houses And Turbine Buildings In Foreground
Station
HB993923
Station 'l' From The West Bank Of The Willamette River Looking East, Screen Houses And Turbine Buildings In Foreground
Station
HB993924
Station 'l' From Southeast Division Street Looking Northwest, Lincoln Substation In Foreground
Station
HB993925
Station 'l', Looking Northwest From Southeast Division, Lincoln Substation In Foreground
Boiler #16 (building L8) To Left, L.p
HB993926
Boiler #16 (building L8) To Left, L.p
General View Of Station
HB993927
General View Of Station 'l', Looking Southwest, Buildings From Left To Right: Lincoln Substation (building L3), Equipment Building (building K), H.p
View Of The North End, Station
HB993928
View Of The North End, Station 'l', From The Roof Of Powerhouse Extension (building L5), Welding Shop (building F) In Foreground, Pepco Building (building A) In Background
Photocopy Of Photograph (from Station
HB993929
Photocopy Of Photograph (from Station 'l' Office Files, Portland, Oregon) Photographer Unknown, C.1930 Historic View Of Stephens Substation
Photocopy Of Photograph (from Station
HB993930
Photocopy Of Photograph (from Station 'l' Office Files, Portland, Oregon) Photographer Unknown, 1936-37 Construction Of Boiler #16
Photocopy Of Photograph (from Station
HB993931
Photocopy Of Photograph (from Station 'l' Office Files, Portland, Oregon) Photographer Unknown, 1936-37 Installing The Furnace Of Boiler #16, 1936-37
Photocopy Of Photograph (from Station
HB993932
Photocopy Of Photograph (from Station 'l' Office Files, Portland, Oregon) Photographer Unknown, 1936-37 Installation Of Boiler #16, 1936-37
Photocopy Of Photograph (from Station
HB993933
Photocopy Of Photograph (from Station 'l' Office Files, Portland, Oregon) Photographer Unknown, 1930 Construction Of The Powerhouse Extension, 1930
Photocopy Of Photograph (from Station
HB993934
Photocopy Of Photograph (from Station 'l' Office Files, Portland, Oregon) Photographer Unknown, 1930 Laying The Basement Floor For The Powerhouse Extension, 1930
Photocopy Of Photograph (from Station
HB993935
Photocopy Of Photograph (from Station 'l' Office Files, Portland, Oregon) Photographer Unknown, C.1930 Turbine Wheel, Note Worn Buckets
Photocopy Of Photograph (from Station
HB993936
Photocopy Of Photograph (from Station 'l' Office Files, Portland, Oregon) Photographer Unknown, C.1930 Worn Turbine Wheel
Photocopy Of Photograph (from Station
HB993937
Photocopy Of Photograph (from Station 'l' Office Files, Portland, Oregon) Photographer Unknown, C.1930 Workers Raking Sawdust Onto The Conveyors, Sawdust To Be Transported To Boiler Furnaces
Photocopy Of Photograph (from Station
HB993938
Photocopy Of Photograph (from Station 'l' Office Files, Portland, Oregon) Photographer Unknown, C.1930 Bucket Used To Unload Sawdust From Barges Onto Conveyors, Conveyors Led To Either The Sawdust Pile Or Directly To The Boiler Furnaces
Photocopy Of Scale Drawing (from Station
HB993939
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland General Electric In House Drawing, C.1960 General Site Plan Of Station 'l'
Photocopy Of Scale Drawing (from Station
HB993940
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland General Electric In House Drawing, C.1939 General Arrangement Of The Historic Site, Shows The Location Of The Turbines And Boilers Within The Buildings Of Station 'l'
Photocopy Of Diagram (from Bernhardt Skrotzki
HB993941
Photocopy Of Diagram (from Bernhardt Skrotzki's Electric Generation--steam Stations, New York, New York, 1956, Figure I-1) The General Way In Which Electricity Is Created Through The Steam Generation Process
Photocopy Of Scale Drawing (from Station
HB993942
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland General Electric Proposal To City/state, 10/15/1929 Foundation And Location Of The Station Screen House And A Look At The Typical Dredging Of The River Bed Which Took Pl
Photocopy Of Scale Drawing (from Station
HB993943
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Link-belt Company, Contractors, 1920 The Screening System Of Station 'l', Water Flows Through The Screens And Is Carried To The Pumps By Water Buckets
Photocopy Of Scale Drawing (from Station
HB993944
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Contractor/draftsman Unknown, C.1911 Front Elevation And Longitudinal Section Of The Original Eight Boilers Located In The L.p
Photocopy Of Scale Drawing (from Station
HB993945
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland General Electric In House Drawing, C.1960 Plan Of The L.p
Photocopy Of Scale Drawing (from Station
HB993946
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Contractor/draftsman Unknown, 1930 Plan Of The Conveyors Which Were Used To Transport Hogfuel To The Furnaces Of The L.p
Photocopy Of Scale Drawing (from Station
HB993947
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland Iron Works, Contractor, 1927 Section #1 Of Conveyor Which Was Installed To Service Boiler Furnaces
Photocopy Of Scale Drawing (from Station
HB993948
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland Iron Works, Contractor, 1927 Section #2 Of Conveyor Which Was Installed To Service Boiler Furnaces
Photocopy Of Scale Drawing (from Station
HB993949
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland Iron Works, Contractor, 1927 Section #3 Of Conveyor Which Was Installed To Service Boiler Furnaces
Photocopy Of Scale Drawing (from Station
HB993950
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland Iron Works, Contractor, 1927 Section #4,7 Of Conveyor Which Was Installed To Service Boiler Furnaces
Photocopy Of Scale Drawing (from Station
HB993951
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland Iron Works, Contractor, 1927 Section #6 Of Conveyor Which Was Installed To Service Boiler Furnaces
Photocopy Of Scale Drawing (from Station
HB993952
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland Iron Works, Contractor, 1927 Section #8 Of Conveyor Which Was Installed To Service Boiler Furnaces
Photocopy Of Scale Drawing (from Station
HB993953
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland Iron Works, Contractor, 1927 Section #9 Of Conveyor Which Was Installed To Service Boiler Furnaces
Photocopy Of Scale Drawing (from Station
HB993954
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland General Electric In House Drawing, 5/12/1927 Section (top) And Elevation (bottom) Of Boiler #9 Which Is Located In The H.p
Photocopy Of Scale Drawing (from Station
HB993955
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland General Electric In House Drawing, 12/6/1927 Elevation (top), Section (bottom Left) And Plan (bottom Right) Of The Steam Piping Leading To Boiler #13 [building L4]
Photocopy Of Scale Drawing (from Station
HB993956
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland General Electric In House Drawing, 6/28/1928 Plan (top) And Elevation (bottom) Of Boiler #13 [building L4], General Layout Of The Steam Piping System
Photocopy Of Scale Drawing (from Station
HB993957
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland General Electric In House Drawing, 3/1/1927 Section (left), Elevation (top Right) And Plan (bottom Right) Of Boiler #13 [building L4]
Photocopy Of Scale Drawing (from Station
HB993958
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Contractor/draftsman Unknown, C.1927 General Layout Of Turbines 1-5 (bottom) [building L1], Boilers 1-13 (middle) [buildings L2 And L4] And Lincoln Substation (top) [building L3]
Photocopy Of Scale Drawing (from Station
HB993959
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Contractor/draftsman Unknown, 1931 Sectional Elevation Of Combination Oil And Hogfuel High Pressure Boiler #14 [building L4]
Photocopy Of Scale Drawing (from Station
HB993960
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Contractor/ Draftsman Unknown, 1931 Sectional Plan Of Combination Oil And Hogfuel High Pressure Boiler #14 [building L4]
Photocopy Of Scale Drawing (from Station
HB993961
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland General Electric In House Drawing, 1937 Piping Arrangement Of Boiler #16 [building Lb] Shown In Elevation (left), Plan (top Right) And Elevation (bottom Right)
Photocopy Of Scale Drawing (from Station
HB993962
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland General Electric In House Drawing, Feb 1950 A Line Diagram Of How The Oil System Fuels The Various Boilers At Station 'l'
Photocopy Of Scale Drawing (from Station
HB993963
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland General Electric In House Drawing, 1929 Drawings Of The Oil Holding Tanks At Station 'l'
Photocopy Of Scale Drawing (from Station
HB993964
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland General Electric In House Drawings, 1930 Flow Diagram Of The Steam Generation Process At Station 'l'
Photocopy Of Scale Drawing (from Station
HB993965
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Contractor/ Draftsman Unknown, C.1930 The Typical Components Of A Steam Generated Turbine Set
Photocopy Of Diagram (from Station
HB993966
Photocopy Of Diagram (from Station 'l' Office Files, Portland, Oregon) General Electric Company Pamphlet, C.1923 Sectional Arrangement Of The 6,000 Kw Turbine Generator [building L1]
Photocopy Of Scale Drawing (from Station
HB993967
Photocopy Of Scale Drawing (from Station 'l' Office Files, Portland, Oregon) Portland General Electric In House Drawing, 1930 Plan Of The Turbine Room [building L1] Showing The Arrangement Of Turbine Units 1-4
Photocopy Of Diagram (from Station
HB993968
Photocopy Of Diagram (from Station 'l' Office Files, Portland, Oregon) General Electric Company Pamphlet, C.1925 Sectional Elevation Of The 20,000 Kw Generator [building L1]
Photocopy Of Diagram (from Station
HB993969
Photocopy Of Diagram (from Station 'l' Office Files, Portland, Oregon) General Electric Company Pamphlet, C.1930 Sectional Elevation Of The 35,000 Kw Generator [building L5]
Photocopy Of Scale Diagram (from Station
HB993970
Photocopy Of Scale Diagram (from Station 'l' Office Files, Portland, Oregon) Portland General Electric In House Drawing, 1926 Plan Depicting The Location Of The Condensate Units [building L1]
Photocopy Of Drawing (from A Development Package Arranged For The Station
HB993971
Photocopy Of Drawing (from A Development Package Arranged For The Station 'l' Site) Sera Architects, 1985 Site Plan Of Station 'l' With Buildings Labeled
Photocopy Of Drawing (from A Development Package Arranged For The Station
HB993972
Photocopy Of Drawing (from A Development Package Arranged For The Station 'l' Site) Sera Architects, 1985 Site Plan Of Station 'l' And The Surrounding Area


Data Pages


Photo Caption Pages


Item Title


Location
1841 Southeast Water Street, Portland, OR

Find maps of Portland, OR


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER OR-12
Building/structure dates: 1929 initial construction
Significance: Station "L" is primarily a group of six structures designed and built by the Portland General Electric Company between 1910 and 1929. The Station represents the growth and the use of Portland General Electric Company's thermal generation power plants; of PGE's thermal plants, Station "L" delivered service for the longest continuous time. Station "L" is important for its link with the growth of electric power in Portland. The Station "L" site is also significant because of its association with Portland pioneer James Stephens for the site's association with early railroad development.

Subjects
Power Plants
Electrical Substations


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
1. GENERAL SITE, LOOKING NORTHEAST FROM THE ROSS ISLAND BRIDGE
3. STATION 'L' SITE, LOOKING NORTHEAST FROM THE ROSS ISLAND BRIDGE
4. STATION 'L' SITE, LOOKING NORTHEAST, MARQUAM BRIDGE TO THE LEFT
5. VIEW OF STATION 'L' FROM WEST BANK OF THE WILLAMETTE RIVER, SCREEN HOUSES AND TURBINE BUILDINGS IN FOREGROUND
6. VIEW OF STATION 'L' BENEATH THE MARQUAM BRIDGE, SCREEN HOUSES AND TURBINE BUILDINGS IN FOREGROUND
7. STATION 'L' FROM THE WEST BANK OF THE WILLAMETTE RIVER LOOKING EAST, SCREEN HOUSES AND TURBINE BUILDINGS IN FOREGROUND
8. STATION 'L' FROM SOUTHEAST DIVISION STREET LOOKING NORTHWEST, LINCOLN SUBSTATION IN FOREGROUND
9. STATION 'L', LOOKING NORTHWEST FROM SOUTHEAST DIVISION, LINCOLN SUBSTATION IN FOREGROUND
10. BOILER #16 (BUILDING L8) TO LEFT, L.P. AND H.P. BOILER ROOMS (BUILDINGS L4 AND L2) TO RIGHT, AND STEPHENS SUBSTATION (BUILDING L6) IN BACKGROUND, FROM THE ROOF OF THE POWERHOUSE EXTENSION (BUILDING L5)
11. GENERAL VIEW OF STATION 'L', LOOKING SOUTHWEST, BUILDINGS FROM LEFT TO RIGHT: LINCOLN SUBSTATION (BUILDING L3), EQUIPMENT BUILDING (BUILDING K), H.P. BOILER ROOM (BUILDING L4), L.P. BOILER ROOM (BUILDING L2), BOILER #16 (BUILDING LB), POWERHOUSE EXTENSION (BUILDING L5), MACHINE SHOP (BUILDING L7)
12. VIEW OF THE NORTH END, STATION 'L', FROM THE ROOF OF POWERHOUSE EXTENSION (BUILDING L5), WELDING SHOP (BUILDING F) IN FOREGROUND, PEPCO BUILDING (BUILDING A) IN BACKGROUND
14. Photocopy of photograph (from Station 'L' office files, Portland, Oregon) Photographer unknown, c.1930 HISTORIC VIEW OF STEPHENS SUBSTATION
15. Photocopy of photograph (from Station 'L' office files, Portland, Oregon) Photographer unknown, 1936-37 CONSTRUCTION OF BOILER #16
16. Photocopy of photograph (from Station 'L' office files, Portland, Oregon) Photographer unknown, 1936-37 INSTALLING THE FURNACE OF BOILER #16, 1936-37
17. Photocopy of photograph (from Station 'L' office files, Portland, Oregon) Photographer unknown, 1936-37 INSTALLATION OF BOILER #16, 1936-37
18. Photocopy of photograph (from Station 'L' office files, Portland, Oregon) Photographer unknown, 1930 CONSTRUCTION OF THE POWERHOUSE EXTENSION, 1930
19. Photocopy of photograph (from Station 'L' office files, Portland, Oregon) Photographer unknown, 1930 LAYING THE BASEMENT FLOOR FOR THE POWERHOUSE EXTENSION, 1930
20. Photocopy of photograph (from Station 'L' office files, Portland, Oregon) Photographer unknown, c.1930 TURBINE WHEEL, NOTE WORN BUCKETS
21. Photocopy of photograph (from Station 'L' office files, Portland, Oregon) Photographer unknown, c.1930 WORN TURBINE WHEEL
22. Photocopy of photograph (from Station 'L' office files, Portland, Oregon) Photographer unknown, c.1930 WORKERS RAKING SAWDUST ONTO THE CONVEYORS, SAWDUST TO BE TRANSPORTED TO BOILER FURNACES
23. Photocopy of photograph (from Station 'L' office files, Portland, Oregon) Photographer unknown, c.1930 BUCKET USED TO UNLOAD SAWDUST FROM BARGES ONTO CONVEYORS, CONVEYORS LED TO EITHER THE SAWDUST PILE OR DIRECTLY TO THE BOILER FURNACES
24. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland General Electric in house drawing, c.1960 GENERAL SITE PLAN OF STATION 'L'
25. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland General Electric in house drawing, c.1939 GENERAL ARRANGEMENT OF THE HISTORIC SITE, SHOWS THE LOCATION OF THE TURBINES AND BOILERS WITHIN THE BUILDINGS OF STATION 'L'
26. Photocopy of diagram (from Bernhardt Skrotzki's Electric Generation--Steam Stations, New York, New York, 1956, figure I-1) THE GENERAL WAY IN WHICH ELECTRICITY IS CREATED THROUGH THE STEAM GENERATION PROCESS
27. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland General Electric proposal to city/state, 10/15/1929 FOUNDATION AND LOCATION OF THE STATION SCREEN HOUSE AND A LOOK AT THE TYPICAL DREDGING OF THE RIVER BED WHICH TOOK PLACE ON A PERIODIC BASIS AT STATION 'L'
28. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Link-Belt Company, contractors, 1920 THE SCREENING SYSTEM OF STATION 'L', WATER FLOWS THROUGH THE SCREENS AND IS CARRIED TO THE PUMPS BY WATER BUCKETS
29. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Contractor/draftsman unknown, c.1911 FRONT ELEVATION AND LONGITUDINAL SECTION OF THE ORIGINAL EIGHT BOILERS LOCATED IN THE L.P. BOILER ROOM [BUILDING L2]
30. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland General Electric in house drawing, c.1960 PLAN OF THE L.P. BOILER ROOM [BUILDING L2] WHICH HOUSED THE ORIGINAL EIGHT BOILERS OF STATION 'L'
31. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Contractor/draftsman unknown, 1930 PLAN OF THE CONVEYORS WHICH WERE USED TO TRANSPORT HOGFUEL TO THE FURNACES OF THE L.P. BOILERS [BUILDING L2] AND TO THE FURNACE OF BOILER #13 [BUILDING L4]
32. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland Iron Works, contractor, 1927 SECTION #1 OF CONVEYOR WHICH WAS INSTALLED TO SERVICE BOILER FURNACES
33. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland Iron Works, contractor, 1927 SECTION #2 OF CONVEYOR WHICH WAS INSTALLED TO SERVICE BOILER FURNACES
34. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland Iron Works, contractor, 1927 SECTION #3 OF CONVEYOR WHICH WAS INSTALLED TO SERVICE BOILER FURNACES
35. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland Iron Works, contractor, 1927 SECTION #4,7 OF CONVEYOR WHICH WAS INSTALLED TO SERVICE BOILER FURNACES
36. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland Iron Works, contractor, 1927 SECTION #6 OF CONVEYOR WHICH WAS INSTALLED TO SERVICE BOILER FURNACES
37. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland Iron Works, contractor, 1927 SECTION #8 OF CONVEYOR WHICH WAS INSTALLED TO SERVICE BOILER FURNACES
38. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland Iron Works, contractor, 1927 SECTION #9 OF CONVEYOR WHICH WAS INSTALLED TO SERVICE BOILER FURNACES
39. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland General Electric in house drawing, 5/12/1927 SECTION (TOP) AND ELEVATION (BOTTOM) OF BOILER #9 WHICH IS LOCATED IN THE H.P. BOILER ROOM [BUILDING L4], DIAGRAM OF THE GENERAL LAYOUT AND STEAM PIPING OF THE BOILER
40. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland General Electric in house drawing, 12/6/1927 ELEVATION (TOP), SECTION (BOTTOM LEFT) AND PLAN (BOTTOM RIGHT) OF THE STEAM PIPING LEADING TO BOILER #13 [BUILDING L4]
41. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland General Electric in house drawing, 6/28/1928 PLAN (TOP) AND ELEVATION (BOTTOM) OF BOILER #13 [BUILDING L4], GENERAL LAYOUT OF THE STEAM PIPING SYSTEM
42. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland General Electric in house drawing, 3/1/1927 SECTION (LEFT), ELEVATION (TOP RIGHT) AND PLAN (BOTTOM RIGHT) OF BOILER #13 [BUILDING L4]
43. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Contractor/draftsman unknown, c.1927 GENERAL LAYOUT OF TURBINES 1-5 (BOTTOM) [BUILDING L1], BOILERS 1-13 (MIDDLE) [BUILDINGS L2 AND L4] AND LINCOLN SUBSTATION (TOP) [BUILDING L3]
44. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Contractor/draftsman unknown, 1931 SECTIONAL ELEVATION OF COMBINATION OIL AND HOGFUEL HIGH PRESSURE BOILER #14 [BUILDING L4]
45. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Contractor/ draftsman unknown, 1931 SECTIONAL PLAN OF COMBINATION OIL AND HOGFUEL HIGH PRESSURE BOILER #14 [BUILDING L4]
46. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland General Electric in house drawing, 1937 PIPING ARRANGEMENT OF BOILER #16 [BUILDING LB] SHOWN IN ELEVATION (LEFT), PLAN (TOP RIGHT) AND ELEVATION (BOTTOM RIGHT)
47. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland General Electric in house drawing, Feb 1950 A LINE DIAGRAM OF HOW THE OIL SYSTEM FUELS THE VARIOUS BOILERS AT STATION 'L'
48. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland General Electric in house drawing, 1929 DRAWINGS OF THE OIL HOLDING TANKS AT STATION 'L'
49. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland General Electric in house drawings, 1930 FLOW DIAGRAM OF THE STEAM GENERATION PROCESS AT STATION 'L'
50. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Contractor/ draftsman unknown, c.1930 THE TYPICAL COMPONENTS OF A STEAM GENERATED TURBINE SET
51. Photocopy of diagram (from Station 'L' office files, Portland, Oregon) General Electric Company pamphlet, c.1923 SECTIONAL ARRANGEMENT OF THE 6,000 KW TURBINE GENERATOR [BUILDING L1]
52. Photocopy of scale drawing (from Station 'L' office files, Portland, Oregon) Portland General Electric in house drawing, 1930 PLAN OF THE TURBINE ROOM [BUILDING L1] SHOWING THE ARRANGEMENT OF TURBINE UNITS 1-4
53. Photocopy of diagram (from Station 'L' office files, Portland, Oregon) General Electric Company pamphlet, c.1925 SECTIONAL ELEVATION OF THE 20,000 KW GENERATOR [BUILDING L1]
54. Photocopy of diagram (from Station 'L' office files, Portland, Oregon) General Electric Company pamphlet, c.1930 SECTIONAL ELEVATION OF THE 35,000 KW GENERATOR [BUILDING L5]
55. Photocopy of scale diagram (from Station 'L' office files, Portland, Oregon) Portland General Electric in house drawing, 1926 PLAN DEPICTING THE LOCATION OF THE CONDENSATE UNITS [BUILDING L1]
56. Photocopy of drawing (from a development package arranged for the Station 'L' site) SERA Architects, 1985 SITE PLAN OF STATION 'L' WITH BUILDINGS LABELED
57. Photocopy of drawing (from a development package arranged for the Station 'L' site) SERA Architects, 1985 SITE PLAN OF STATION 'L' AND THE SURROUNDING AREA


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