![0002:0220: Boulder Canyon Project Act - December 21, 1928, the day the Act was signed, l-r: Dr. Elwood Mead, Commissioner of Reclamation; California Congressman Phillip D. Swing; President Calvin Coolidge; California Senator Hiram W. Johnson; Idaho Congressman Addison T. Smith; W.B. Matthews, Los Angeles
[USBR photo Wash. no. 306]](https://d8e7jbdw4fu0e.cloudfront.net/4452/49890b40-cf1e-11ed-8601-7f902430d357-wxTv26i.lg-nt@2x.jpg)
Boulder Canyon Project Act - December 21, 1928, the day the Act was signed, l-r: Dr. Elwood Mead, Commissioner of Reclamation; California Congressman Phillip D. Swing; President Calvin Coolidge; California Senator Hiram W. Johnson; Idaho Congressman Addison T. Smith; W.B. Matthews, Los Angeles [USBR photo Wash. no. 306]