The following information obtained from UNAVCO's online DOI system:
(https://www.unavco.org/data/doi/search/search.html)

Las Vegas GPS Network - UNR2-University of Nevada Reno 2 P.S.
Start: 30-Apr-2003
End: 22-Jul-2015
Kreemer, Corne, Blewitt, Geoff, 2003, Las Vegas GPS Network - UNR2-University of Nevada Reno 2 P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5416VBH