Subject: Geology / Year: 1891 - Yale University Library GeoBlacklight Search Results

1. Geological map of north western Manitoba and portions of the districts of Assiniboia and Saskatchewan

1891. 2018-07-02T18:37:17Z. 2018-07-02T18:37:17Z. Tyrrell, Joseph Burr, 1858-1957. Geological Survey Dept. English. cartographic image. Public. Manitoba and Winnipegosis, Lake, Region.

2. Geological map of north western Manitoba and portions of the districts of Assiniboia and Saskatchewan [cartographic material]

1891. 2010-07-23T18:23:03Z. 2022-12-06T16:49:40Z. Tyrrell, Joseph Burr, 1858-1957. Geological Survey Dept. English. Public. Manitoba and Lake Winnipegosis Region.

3. Maryland--District of Columbia--Virginia, Washington sheet

1891. 2010-09-09T13:43:45Z. 2015-10-27T22:25:38Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Washington (D.C.) and Washington Metropolitan Area.