c. 1940s Nevada | Harnessed by Mighty Boulder Dam
- Date: c. 1940s
- Artist: Willmarth
- Size (in): 21.5 x 17.5
- Size (cm): 54.61 x 44.45
- Condition: B
- Linen backed: No
This poster is from an original painting made for Union Pacific Railroad. It depicts the Hoover Dam.
The full title reads: "Nevada...Harnessed by mighty boulder dam, the rushing Colorado River provides irrigation for agriculture and power for industry."