| 释义 |
- References
{{for|other places in Tennessee with the same name|Happy Valley, Tennessee (disambiguation)}}Happy Valley was a construction camp of trailer homes and hutments at the Clinton Engineer Works of the Manhattan Project in the 1940s. It was located near the K-25 gaseous diffusion plant in Oak Ridge, Tennessee, to lessen travelling time for the seventeen thousand construction men working there.[1]The Happy Valley settlement was dismantled in the early 1950s. References1. ^ {{cite book |last= Nichols |first= Kenneth |title= The Road to Trinity: A Personal Account of How America’s Nuclear Policies Were Made |accessdate= |edition= |origyear= |year= 1987 |publisher= William Morrow |location= New York |isbn= 068806910X |oclc= |page= 127 |pages= }}
{{coord missing|Tennessee}} 2 : Oak Ridge, Tennessee|Former populated places in Tennessee |