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1867

Plate II. Results of Experimental Blasts …

Gov't Report Book

Plate II. Sketch showing the Positions a …

1867

Plate III. Results of Experimental Blast …

Gov't Report Book

Plate III. Sketch showing the Positions …

1867

Plate V. Results of Experimental Blasts …

Gov't Report Book

Plate V. Project for blowing up Blossom …