Draft environmental impact statement : supplement II to the final environmental impact statement, operations, maintenance, and minor improvements of the federal facilities at Sault Ste. Marie, Michigan (July 1977) ; Operation of the lock facilities to 31 January ± 2 weeks /
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| Language: | English |
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| Format: | U.S. Federal Government Document Book E-Resource |
| Physical Description: | 1 v. (various pagings) : ill., maps ; 28 cm. |
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