Cloud of dust and debris cascading down San Gabriel Canyon wall after explosion during construction of San Gabriel Dam. Reported in "GIGANTIC BLAST AIDS DAM WORK: Ninety Tons of Powder Used at San Gabriel Side of Canyon Seems Molten Before Explosive Engineering Feat Figured to Exact Result," Los Angeles Times, 27 June 1929: A10.
Reported in "GIGANTIC BLAST AIDS DAM WORK: Ninety Tons of Powder Used at San Gabriel Side of Canyon Seems Molten Before Explosive Engineering Feat Figured to Exact Result," Los Angeles Times, 27 June 1929: A10.
Reported in "GIGANTIC BLAST AIDS DAM WORK: Ninety Tons of Powder Used at San Gabriel Side of Canyon Seems Molten Before Explosive Engineering Feat Figured to Exact Result," Los Angeles Times, 27 June 1929: A10.
Photo appears with the article "HALF-WAY MARK REACHED IN DAM CONSTRUCTION: Santa Anita Structure Stands 115 Feet High Already, With Work Rushing," Los Angeles Times, 10 Aug. 1926: A1.
Reported in "HALF-WAY MARK REACHED IN DAM CONSTRUCTION: Santa Anita Structure Stands 115 Feet High Already, With Work Rushing," Los Angeles Times, 10 Aug. 1926: A1.