Browse Items (3 total)

Critiques on Logan Canyon construction with a general summary, critique of traffic forecast, traffic accidents in Logan Canyon from 1970-77, effects of road building on Logan River, and an explanation of how the erosive slopes, siltation of the river…

Correspondence from William Helm to Rudy Lukez discouraging certain changes to the Logan River for the benefit of the local fish, plant, and animal life.

Aquatic resources technical memorandum prepared for Utah Deparment of Transportation detailing the existing conditions of the aquatic habitat, fisheries biology, water quality, the impacts and mitigation in the Middle and Upper Canyons and Rich…