1934. 2012-04-20T19:33:01Z. 2015-10-21T15:22:10Z. U.S. Lake Survey. U.S. Lake Survey Office. English. Public. Michigan, Hancock, Houghton, Keweenaw Waterway (Mich.), and Superior, Lake.
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1930. 2012-03-26T14:07:58Z. 2015-10-21T15:21:43Z. U.S. Lake Survey. On sale at U.S. Lake Survey Office. English. Public. Superior, Lake, Superior, Lake., Michigan, Ontonagon, and Ontonagon (Mich.).
1934. 2012-04-20T17:27:24Z. 2015-10-21T15:22:10Z. U.S. Lake Survey. U.S. Lake Survey Office. English. Public. Michigan, Marquette, Marquette Bay (Marquette County, Mich.), Superior, Lake., and Superior, Lake.
1996. 2011-11-16T18:36:07Z. 2015-10-21T15:05:43Z. United States Coast Survey. The Survey ; NOAA Distribution Branch, N/CG33, National Ocean Service, distributor. English. Public. Michigan, Hancock, Houghton, Keweenaw Waterway (Mich.), and Superior, Lake.
1994. 2011-11-16T18:20:34Z. 2015-10-21T15:05:42Z. U.S. Coast and Geodetic Survey. The Survey ; NOAA Distribution Branch, N/CG 33, National Ocean Service. English. Public. Michigan, Marquette, Marquette Bay (Marquette County, Mich.), and Superior, Lake.
1997. 2011-11-16T18:19:12Z. 2015-10-21T15:05:42Z. United States Coast Survey. The Survey ; NOAA Distribution Branch, N/ACC3, National Ocean Service, distributor. English. Public. Michigan, Munising, Superior, Lake., and Superior, Lake.
1997. 2011-11-16T19:15:30Z. 2015-10-21T15:05:43Z. United States Coast Survey. The Survey ; NOAA Distribution Branch, N/ACC3, National Ocean Service, distributor. English. Public. Minnesota, Duluth, Wisconsin, Superior, and Superior, Lake.
1996. 2011-11-16T18:49:17Z. 2015-10-21T15:05:43Z. United States Coast Survey. The Survey ; NOAA Distribution Branch, N/CG33, National Ocean Service, distributor. English. Public. Wisconsin, Ashland, Washburn, Superior, Lake, and Chequamegon Bay (Wis.).