Searching for inherited mineral right activity

I inherited mineral rights on the following property and am wondering if there has been any activity. Last lease was offered in 2001 by International Brooks Petroleum Ltd. through West Coast Land Co.

Portion of Section 19, Township 23 South, Range 22 East, M.D.B. & M. All except lots 2,3,6 and 7

Do you have information or know how I can research?

Thank you! Barbara Bleyle