An exhibit at the Grapevine site touts the construction of Hetch Hetchy Dam.
An exhibit at the Grapevine site touts the construction of Hetch Hetchy Dam. Sam McManis smcmanis@sacbee.com
An exhibit at the Grapevine site touts the construction of Hetch Hetchy Dam. Sam McManis smcmanis@sacbee.com