1941. 2012-06-07T17:33:59Z. 2012-06-13T15:05:18Z. Henderson, J. F. (James Fenwick), 1905-. Canada Dept. of Mines and Resources, Mines and Geology Branch, Bureau of Geology and Topography. English. Public. Northwest Territories, Beaulieu River Region, Great Slave Lake Region, and Mackenzie.
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1941. 2012-06-19T14:28:19Z. 2012-06-29T20:45:52Z. Henderson, J. F. (James Fenwick), 1905-. Canada Department of Mines and Resources, Mines and Geology Branch, Bureau of Geology and Topography. English. Public. Northwest Territories, Gordon Lake Region, Yellowknife Preserve, and Mackenzie.
1941. 2012-06-19T14:29:49Z. 2012-06-29T20:45:52Z. Henderson, J. F. (James Fenwick), 1905-. Canada Department of Mines and Resources, Mines and Geology Branch, Bureau of Geology and Topography. English. Public. Northwest Territories, Gordon Lake Region, Yellowknife Preserve, and Mackenzie.
1944. 2012-06-25T15:52:00Z. 2012-07-05T13:03:01Z. Henderson, J. F. (James Fenwick), 1905-. The Bureau. English. Public. Northern Territories and Mackenzie.
