
Map of St Eloi with the six mines fired on 27 March 1916.

Source: http://bit.ly/2UqcS3g
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The Canadian positions as of April 10, 1916.

Aeriel reconnasance photograph of the St. Eloi Craters.

Aeriel reconnasance photograph of the St. Eloi Craters.

Aeriel reconnasance photograph of the St. Eloi Craters.

One of the craters at St. Eloi. Canada. Dept. of National Defence-Library and Archives Canada-PA-004394.