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

Idaho National Laboratory GPS Network - GBIG-Big Grassey Butte, Idaho P.S.
Start: 01-Nov-2008
End: 03-Aug-2022
Payne, Suzette, 2009, Idaho National Laboratory GPS Network - GBIG-Big Grassey Butte, Idaho P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T50G3HJ5