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

Yellowstone Hotspot GPS Network - TSWY-Teton Science School, Wyoming P.S.
Start: 24-Jun-2005
End: 14-Nov-2022
UNAVCO Community, 2001, Yellowstone Hotspot GPS Network - TSWY-Teton Science School, Wyoming P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5PC30QC

Yellowstone Hotspot GPS Network - TSWY-Teton Science School, Wyoming P.S.
Start: 08-Jun-2001
End: 14-Nov-2022
UNAVCO Community, Smith, Robert B., 2001, Yellowstone Hotspot GPS Network - TSWY-Teton Science School, Wyoming P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5DV1H7W

Yellowstone Hotspot GPS Network - TSWY-Teton Science School, Wyoming P.S.
Start: 08-Jun-2001
End: 24-Jun-2005
Smith, Robert B., 2001, Yellowstone Hotspot GPS Network - TSWY-Teton Science School, Wyoming P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5JM27Z6