7 entries match your criteria. Related Historical MarkersSkagit River Hydroelectric Project By Cosmos Mariner, July 28, 2015 Gorge Powerhouse Marker (wide view; Skagit River and Gorge Powerhouse in background) SHOWN IN SOURCE-SPECIFIED ORDER1► Washington (Whatcom County), Newhalem — Gorge Powerhouse — Producing Power Since 1924 — 2► Washington (Whatcom County), Newhalem — Welcome to Ladder Creek Falls & Gardens — 3► Washington (Whatcom County), Newhalem — Electric Forest — 4► Washington (Whatcom County), Newhalem — Lighting of the Falls — 5► Washington (Whatcom County), Diablo — Chain of Dams — 6► Washington (Whatcom County), Diablo — Gorge High Dam — 7► Washington (Whatcom County), Diablo — Transmission Lines —