File:First High-Tension Powerline Commemoration.jpg
Inscription:
- First high-tension powerline
- The world's first long distance high-tension power line began operation between Portland and Willamette Falls by the Willamette Falls Electric Company on June 3, 1889.
- This marker commemorates an historic event.
- The Lang Syne Society of Portland. Oregon. June 3, 1952.