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

Wasatch GPS Network - LMUT-Lake Mountain P.S.
Start: 18-Sep-2007
End: 14-Nov-2022
UNAVCO Community, 1998, Wasatch GPS Network - LMUT-Lake Mountain P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5474843

Wasatch GPS Network - LMUT-Lake Mountain P.S.
Start: 15-Nov-1997
End: 14-Nov-2022
UNAVCO Community, Smith, Robert B., 1998, Wasatch GPS Network - LMUT-Lake Mountain P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T50G3HFT

Wasatch GPS Network - LMUT-Lake Mountain P.S.
Start: 15-Nov-1997
End: 18-Sep-2007
Smith, Robert B., 1998, Wasatch GPS Network - LMUT-Lake Mountain P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T58050WV