![0002:3565: Southern Nevada Water Project - Groundbreaking Ceremony ["Shown is the blast at the inlet portal of River Mountain Tunnel, which officially launched construction of the first stage of the $81 million Southern Nevada Water Project September 7, 1968. The blast was detonated by U. S. Senator Alan Bible from the speaker stand 1.7 miles away, where the groundbreaking ceremony was held."] 9-7-68 [USBR photo no. P952-300-8334 NA] [E. E. Hertzog, photographer]](https://d8e7jbdw4fu0e.cloudfront.net/4452/f5698cb0-c125-11ee-88df-edbffe37e4b5-wxTvbSl.lg-nt@2x.jpg)
Southern Nevada Water Project - Groundbreaking Ceremony ["Shown is the blast at the inlet portal of River Mountain Tunnel, which officially launched construction of the first stage of the $81 million Southern Nevada Water Project September 7, 1968. The blast was detonated by U. S. Senator Alan Bible from the speaker stand 1.7 miles away, where the groundbreaking ceremony was held."] 9-7-68 [USBR photo no. P952-300-8334 NA] [E. E. Hertzog, photographer]