Blast in quarry #2, Los Angeles County, Calif., 1937

7 photographs showing the vicinity of an explosive charge in a quarry, with a detailed description of the blast in text superimposed on some images, probably in Los Angeles County, Calif., 1937 November 19. "Client: Bel-Air Estates, Mr. Gilliland, 10601 Chalon R[oa]d (Mr. Gibson at quarry, Santa Monica 21243); Operator's report - name: Joe; Amount: 14.00; 50 miles: transportation at 7 c[ents] - Amount: 3.50; 7 hours: time 1-1/2 @ 3.00 - 4.50, 5-1/2 @ 2.00 - 10.00 [=] 14.50 - Amount: 14.50; Extra charges - printing: Amount: 3.50" - on envelope.