![0002:2595: Signers of the Boulder Canyon Project Act [Swing-Johnson Bill], December 21, 1928 [l-r: Elwood Mead, U.S. Bureau of Reclamation Commissioner; Congressman Philip D. Swing of California; President Calvin Coolidge; Senator Hiram W. Johnson of California; Congressman Addison T. Smith of Idaho; W.B. Mathews of Los Angeles] [USBR photo (Wash no 306), Keystone News Photo]](https://d8e7jbdw4fu0e.cloudfront.net/4452/e28b2810-e2d7-11ed-a6c5-1b814c209f32-wxTvZB8.lg-nt@2x.jpg)
Signers of the Boulder Canyon Project Act [Swing-Johnson Bill], December 21, 1928 [l-r: Elwood Mead, U.S. Bureau of Reclamation Commissioner; Congressman Philip D. Swing of California; President Calvin Coolidge; Senator Hiram W. Johnson of California; Congressman Addison T. Smith of Idaho; W.B. Mathews of Los Angeles] [USBR photo (Wash no 306), Keystone News Photo]