Draft environmental statement
Subtitle: administrative action for I 90-139 Sloway East & West, I 90-143 Superior West [and] F 254 Superior-Lavista
By: [Prepared by U.S. ... Federal Highway Administration and State of Montana
Contributors: Montana. Department of Highways
Series: FHWA-Mont-EIS-71-03-D
Published: 1973
Place of publication: [Helena?]
Language: eng
Number of pages: 25
Subjects: Highway engineering; Roads; Environmental policy
Notes: Cover title.