P-12-200-4104NA Klamath Project - Oregon. Sandblasting exterior of building. Note protective gear on workman; October 13, 1975; USBR photo by J. K. Bryant
Original photograph: 12.5 x 9 cm, black & white photo, caption under photo reads “P-12-200-4104NA Klamath Project - Oregon Rehabilitation of Klamath Project Office - Specs. 200C-938, Warren Parr, Contractor Sandblasting exterior of building. Note protective gear on workman. October 13, 1975 USBR photo by J. K. Bryant", from Blainders Digital reproduction of photograph: P-12-200-4104NA Klamath Project - Oregon, Black Binders, Bureau of Reclamation