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

Rio Grande Rift GPS Network - RG25-RG25PearsnNM2007 P.S.
Start: 16-Jun-2007
End: 08-Mar-2017
Sheehan, Anne, 2008, Rio Grande Rift GPS Network - RG25-RG25PearsnNM2007 P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5JD4V17