The following information obtained from UNAVCO's online DOI system: (https://www.unavco.org/data/doi/search/search.html) Southern Basin and Range GPS Network - JOHN-Johnnie Mine P.S. Start: 05-Apr-1999 End: 13-Apr-2011 Wernicke, Brian P., 1999, Southern Basin and Range GPS Network - JOHN-Johnnie Mine P.S., UNAVCO, GPS/GNSS Observations Dataset, https://doi.org/10.7283/T5251GH2