# Relationship history for MSHA mine 0501506

Current hierarchy: **Michael Ray  Schell → Coal Creek Construction → Golden Wonder**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Lake City Mines → Golden Wonder; 1950-01-01 to 1980-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Michael  MacGuire → Golden Wonder; 1950-01-01 to 1983-05-09; source msha-controller-operator-history
- **controller_controls_operator:** Michael  MacGuire → Lake City Mines; 1950-01-01 to 1980-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Hughes Edward → Golden Wonder; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hughes Mining Company → Golden Wonder; 1980-02-01 to 1980-10-31; source msha-controller-operator-history
- **controller_controls_operator:** Hughes Edward → Hughes Mining Company; 1980-02-01 to 1980-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Lake City Mines → Golden Wonder; 1980-11-01 to 1983-05-09; source msha-controller-operator-history
- **controller_controls_operator:** Michael  MacGuire → Lake City Mines; 1980-11-01 to 1983-05-09; source msha-controller-operator-history
- **operator_operates_mine:** Lka Minerals Inc → Golden Wonder; 1983-05-10 to 1992-10-31; source msha-controller-operator-history
- **controller_controls_mine:** LKA International → Golden Wonder; 1983-05-10 to 1994-04-30; source msha-controller-operator-history
- **controller_controls_operator:** LKA International → Lka Minerals Inc; 1983-05-10 to 1992-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Golden Wonder Mining Lc → Golden Wonder; 1992-11-01 to 1994-04-04; source msha-controller-operator-history
- **controller_controls_mine:** Environmental Data Corp et al → Golden Wonder; 1992-11-01 to 1994-04-04; source msha-controller-operator-history
- **controller_controls_operator:** Environmental Data Corp et al → Golden Wonder Mining Lc; 1992-11-01 to 1994-04-04; source msha-controller-operator-history
- **controller_controls_mine:** Henry M  Carter → Golden Wonder; 1994-01-01 to 1998-01-31; source msha-controller-operator-history
- **operator_operates_mine:** Carter Mine Development → Golden Wonder; 1994-04-05 to 1998-01-31; source msha-controller-operator-history
- **controller_controls_operator:** Henry M  Carter → Carter Mine Development; 1994-04-05 to 1998-01-31; source msha-controller-operator-history
- **operator_operates_mine:** Au Mining Inc → Golden Wonder; 1998-02-01 to 2008-03-17; source msha-controller-operator-history
- **controller_controls_mine:** Ken  Orvis  et al → Golden Wonder; 1998-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ken  Orvis  et al → Au Mining Inc; 1998-02-01 to 2008-03-17; source msha-controller-operator-history
- **controller_controls_operator:** Lance  Barker  et al → Au Mining Inc; 1998-02-01 to 2008-03-17; source msha-controller-operator-history
- **operator_operates_mine:** Richmont Mines USA Inc → Golden Wonder; 2008-03-18 to 2009-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Richmont Mines Inc → Golden Wonder; 2008-03-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richmont Mines Inc → Richmont Mines USA Inc; 2008-03-18 to 2009-01-31; source msha-controller-operator-history
- **operator_operates_mine:** Williams Brothers Mining and Exploration → Golden Wonder; 2009-02-01 to 2010-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Williams Brothers Mining & Exploration et al → Golden Wonder; 2009-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Williams Brothers Mining & Exploration et al → Williams Brothers Mining and Exploration; 2009-02-01 to 2010-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Coal Creek Construction → Golden Wonder; 2010-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Michael Ray  Schell → Golden Wonder; 2010-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael Ray  Schell → Coal Creek Construction; 2010-06-01 to current/open; source msha-controller-operator-history