Colorado Issue 10 (1974) was a initiated constitutional amendment, regarding detonation of nuclear devices, on the November, 1974 election ballot in Colorado, where it was approved.
| Colorado Issue 10 (1974)|
| Yes|| 399,818|| 57.9%|
Election Results via: The Colorado Legislative Council
Text of measure
The language that appeared on the ballot:
|| An act to amend the Constitution of the State of Colorado, to establish procedural steps to be complied with prior to the detonation of nuclear explosive devices, requiring prior approval of the detonation by the voters through the enactment of an initiated or referred measure.