P12-201-4386 NA Klamath Project, OR-CA. Laborers working on compacted backfill on east side of Pumping Plant EE. Wackers were used on 6" lifts along sides close to structure. Five ton vibratory roller pulled by HD-5 cat, used on 1 foot lifts elsewhere. Dozer is sitting where inlet transition will be built; June 2, 1977; USBR photo by D. J. Kline