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19-B Explosion in Progress - Bas Obispo Cut - September 19th, 1907. 4 Holes - 78 ft. Deep - 9600 lbs. Black Powder - 29,640 cu. yds. Displaced.
1907, 19 September
Gelatin silver print
George A. Smathers Libraries, University of Florida
Panama Canal Museum Collection, Resource Identifier: accession number - 2003.017.015.007, System ID: PCMI008056:00001
All applicable rights reserved by the source institution and holding location.