# Relationship history for MSHA mine 3401867

Current hierarchy: **Dolese Brothers Company → Dolese Bros. Co. → 7-Mile Mine**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Dolese Brothers Company → 7-Mile Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** 7 Mile Mine, LLC → 7-Mile Mine; 2001-06-01 to 2014-12-21; source msha-controller-operator-history
- **controller_controls_mine:** Philip A  Parton et al → 7-Mile Mine; 2001-06-01 to 2007-04-04; source msha-controller-operator-history
- **controller_controls_operator:** Philip A  Parton et al → 7 Mile Mine, LLC; 2001-06-01 to 2007-04-04; source msha-controller-operator-history
- **controller_controls_operator:** Jardine K  Whitfield  et al → 7 Mile Mine, LLC; 2001-06-01 to 2007-04-04; source msha-controller-operator-history
- **controller_controls_mine:** Jenny M  Parton → 7-Mile Mine; 2007-04-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jenny M  Parton → 7 Mile Mine, LLC; 2007-04-05 to 2014-12-21; source msha-controller-operator-history
- **operator_operates_mine:** Dolese Bros. Co. → 7-Mile Mine; 2014-12-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dolese Brothers Company → Dolese Bros. Co.; 2014-12-22 to current/open; source msha-controller-operator-history