Davidson Ditch

Alaska project. For the water conduit in Colorado, see Davidson Ditch (Colorado). Davidson Ditch is a 90 miles (140 km) conduit built in the 1920s to supply

construction-observation-tipsConstruction Observation Tips
from ncengineer, ago in

Jefferson River Levee, Ditch Construction, Three Forks: Environmental Impact …
unknown, published 1972, 0 pages