The dam in Guarda, Portugal is part of the Conchos hydroelectric da Serra da Estrela and collects the waters of the stream of Naves. Built in 1955 of masonry, concrete and granite with 4.6 m in height, 48 meters crown and has a usable storage capacity of 120,000 m 3.
Bonneville Lock & Dam. Location: Located in the Columbia Gorge National Scenic Area 40 miles east of Portland, Oregon, and Vancouver, Washington. From Portland, OR, 40 miles E on I-84. From Vancouver, WA, 40 miles E on WA 14.