This map of the PWPA power grid in eastern Colorado uses simplistically drawn mountains on the left half to imply the topography of the Rocky Mountains.
(c) Carol Zuber-Mallison / ZM Graphics Inc.
This map of the PWPA power grid in eastern Colorado uses simplistically drawn mountains on the left half to imply the topography of the Rocky Mountains.
(c) Carol Zuber-Mallison / ZM Graphics Inc.