1934. 2012-04-16T20:33:37Z. 2015-10-21T15:21:50Z. United States. War Dept. Corps of Engineers. U.S. Lake Survey Office. English. Public. Ohio, Ashtabula, Erie, Lake., and Erie, Lake.
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1934. 2012-04-19T16:50:34Z. 2015-10-21T15:22:09Z. U.S. Lake Survey. U.S. Lake Survey. English. Public. Michigan, Lake., Chicago (Ill.), Illinois, and Chicago.
1934. 2012-04-17T13:37:58Z. 2015-10-21T15:21:50Z. United States. War Dept. Corps of Engineers. U.S. Lake Survey Office. English. Public. Erie, Lake., Ohio, Cleveland, Erie, Lake, and Cuyahoga River.
1934. 2012-04-16T19:54:17Z. 2015-05-06T18:54:04Z. United States. Army. Corps of Engineers. U.S. Lake Survey. English. Public. Presque Isle Bay (Pa.), Erie, Lake., Erie, Lake, Pennsylvania, and Erie.
1934. 2012-05-01T13:57:47Z. 2015-10-21T15:22:11Z. United States. War Dept. Corps of Engineers. U.S. Lake Survey Office. English. Public. Ohio, Fairport Harbor, Erie, Lake, and Grand River (Ohio).
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.
1934. 2012-03-28T17:07:37Z. 2021-09-28T17:39:48Z. United States. War Dept. Corps of Engineers. U.S. War Dept., Corps of Engineers : On sale at U.S. Lake Survey. English. Public. Erie, Lake., Erie, Lake, Conneaut Harbor (Ohio), Ohio, and Conneaut.
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.
1934. 2012-04-19T19:17:47Z. 2015-03-26T19:53:28Z. United States. War Dept. Corps of Engineers. Published by U.S. Lake Survey Office. English. Public. Illinois, Chicago, Chicago River Region (Ill.), and Chicago (Ill.).