Subject: Geomagnetism / Spatial Coverage: Ontario - Yale University Library GeoBlacklight Search Results

1. Aeromagnetic map ... District of Sudbury

1958. 2012-07-13T16:40:36Z. 2015-10-21T15:17:54Z. Spartan Air Services, Ltd. Spartan Air Services Limited. English. Public. Ontario and Sudbury (District).

2. Aeromagnetic map of the Roseau 1⁰ by 2⁰ quadrangle, Minnesota and Ontario [microform]

1989. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). U.S. Geological Survey : [Books and Open-File Reports Section, distributor]. English. Public. Minnesota and Ontario.

3. Index to aeromagnetic sheets in parts of the Kenora, Patricia portion district, Ontario, and Manitoba

1966. 2018-08-20T16:16:07Z. 2020-08-14T18:08:36Z. Ontario. Department of Mines, issuing body. Department of Mines. English. cartographic image. Public. Ontario.

4. Index to aeromagnetic sheets in parts of the Kenora, Rainy River districts, Ontario, and Manitoba

1966. 2018-08-20T16:04:20Z. 2020-08-14T18:08:36Z. Ontario. Department of Mines, issuing body. Department of Mines. English. cartographic image. Public. Ontario.