Categorical exclusion ... <1992-
Related Entities
There are 3 Entities related to this resource.
Montana. Dept. of Transportation. Environmental and Hazardous Waste Bureau.
http://n2t.net/ark:/99166/w6sf8n61 (corporateBody)
Montana. Dept. of Transportation.
http://n2t.net/ark:/99166/w6713shq (corporateBody)
United States. Federal Highway Administration
http://n2t.net/ark:/99166/w6wh74bv (corporateBody)
Until 1960, the federal government had responsibility for roads and bridges in Alaska: the Alaska Road Commission, under the War Dept., from 1905-1932, and the Interior Dept. from 1932 to 1956 when it was absorbed by the U.S. Bureau of Public Roads. In 1960, after statehood, Alaska State Department of Highways was organized and assumed responsibility for the State's highway program. From the description of U.S. Federal Highway Administration photograph collection [graphic], ca. 1950-...