BPA

Substations

Chehalis

Echo Lake

Olympia

Bell

Midway

South Tacoma

Covington

Troutdale

Conkelley

Libby

Hot Springs

Dworshak

Snohomish

Longview

Big Eddy

Columbia

McNary

Franklin

Keeler

Ostrander
Also called "Oregon City"? Not 100% confident about this as the map shows the location as more like Oregon City proper, but I cannot find references to a BPA oregon facility station other than Ostrander substation.

J. P. Alvey

Salem

Chemawa

Santiam

Marion

Gold Beach

Port Orford

Bandon

Norway

McKinley
not 100% sure this is the right substation

Coos

Reedsport

Florence

Mapleton

John Day

Grizzly

Malin

Pomeroy
"No remaining historic features"

Kalispell

Boundary
Probably BC Hydro property

Little Goose

Bellingham

Custer

Intalco

Repeaters

Rockdale

Bradford Island
Also called "North Bonneville"

Augspurger Mountain

Beverly

Biddle Butte

Davenport

Foster Creek

Plum

Grand Coulee

Del Rio

Rockdale East Passive

Rockdale South Passive

Easton

Haystack Butte

Kahlotus

Kennewick

Lookout Mountain

Malaga

Metaline

Mt. Spokane

North Bend

Olympia Passive

Waterville

Roosevelt

Squak Mountain

Sunnyside

Teanaway

Applegate Butte

Buck Butte

Coburg

Goodwin Peak

Grizzly Mountain

Hall Ridge

Hampton Butte
Built 1968, so presumably part of later network reconfiguration.

Indian Mountain

Kenyon Mountain

Leneve
Not very confident on the location, it is a small site although known to still exist. Chose this based on best matching scaled distances from to-scale map, but it's still not exact.

Marys Peak

Mt Hebo

Noti

Pine Mountain

Prospect Hill

Rainier

Scott Mountain

Shaniko

Swan Lake Point

Wasco

West Portland

Teakean Butte

Blacktail Mountain

Teakettle Passive

Hot Springs Passive

Patrick's Knob
"No remaining historic features"

Bald Mountain
"No remaining historic features"

Lines Creek
"No remaining historic structures"
BPA-style new building

Dworshak Passive

Kittitas
Location is an informed guess, this repeater was apparently bypassed and abandoned in the 1950s and there may be no remains.

Winchester Bay
Location is an informed guess, and not a very informed one. This repeater was "No longer in BPA's operation" per the inventory. Could not find a reasonable intersection of the distances from the scale map either, possibly a substation has moved.

Cape Blanco
Location is probably reasonably accurate as it's scaled from a to-scale map, the inventory notes this repeater as "likely sold or demolished."

Happy Camp (PG&E)

Odell Butte

Wolf Mountain
Location is best guess, "No remaining historic features" per inventory and a CX shows that it was demolished.

Hatchet Mountain (PG&E)
Location is a loose guess

Coyote Hills
New BPA-style building

Adel

Vya
Location is best guess, cannot find much record or discussion of this station

Routes

Kalispell leg

Intertie-era John Day leg

Grand Coulee leg

1957 Route

Q System Extension

Libby Substation Leg

Hot Springs leg

1957 Ross leg

1957 Longview leg

1957 Chehalis Sub leg

1957 route

1957 Troutdale leg
not 100% sure I'm interpreting the map correctly, this may have gone to Biddle Butte. It's drawn weird.

1957 Covington leg

1957 South Tacoma leg
The historical inventory mentions a "Tacoma" site which I have not found. It is possible it was on-site at the substation and since removed?

1957 Columbia leg

1957 Franklin leg

1957 Seattle leg

1957 Keeler leg

1957 Coast Route

1957 J. P. Alvey Leg

1957 Salem Chemawa Leg

1957 Santiam leg

1956 Port Orford leg

1956 McKinley leg

1956 Norway leg

1956 Bandon leg

1956 Reedsport leg

1956 Coos leg

1956 Mapleton leg

1956 Florence Leg

Intertie-era Haystack Butte connector

Intertie-era route

Intertie-era Grizzly leg

Dworshak leg

Boundary leg

Q System

Little Goose leg

Intalco Extension

Bellingham Leg

Custer leg

Hampton Butte Spur
Unclear why this exists

New Coastal Route
This route is described in the text of the historical context report, but not in the 1957 map, so it must show a later reconfiguration. The text also does not clarify where Scott Mountain connects to, so the jump to Coburg is speculative

Marys Peak spur
Described in text of the historical inventory, but no reason given

Mt Hebo Spur
Described in text of the historical inventory, but no reason given

Marion leg
Described in text of the historical inventory but not shown in maps, so this must be a later reconfiguration. It's possible it was Prospect Hill to Hall Ridge via Marion, but it seems more likely that Hall Ridge was added to make an otherwise difficult leap to Marion since we know that Marion is a later substation.

Other Terminals

Hungry Horse

Ross Control Center

Portland HQ

Seattle
Not sure if this is the right building, Seattle office may have moved. "No remaining historic features" per inventory.