File:Blasting the grade at Summit Lake for the construction of the White Pass & Yukon Railroad, British Columbia, February 1899 (HEGG 397).jpeg
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Blasting_the_grade_at_Summit_Lake_for_the_construction_of_the_White_Pass_&_Yukon_Railroad,_British_Columbia,_February_1899_(HEGG_397).jpeg (768 × 575 pixels, file size: 110 KB, MIME type: image/jpeg)