# Relationship history for MSHA mine 4700786

Current hierarchy: **Lowell  Wolf → Wolf  Paving Co Inc → Jones Farm - Pit 605**

- 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:** Lowell  Wolf → Jones Farm - Pit 605; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Burtonwood Development & Excavating Corp → Jones Farm - Pit 605; 1950-01-01 to 1983-04-17; source msha-controller-operator-history
- **controller_controls_mine:** Harold E  Vogt → Jones Farm - Pit 605; 1950-01-01 to 1983-04-17; source msha-controller-operator-history
- **controller_controls_operator:** Harold E  Vogt → Burtonwood Development & Excavating Corp; 1950-01-01 to 1983-04-17; source msha-controller-operator-history
- **operator_operates_mine:** Wolf Sand & Gravel Company Inc → Jones Farm - Pit 605; 1983-04-18 to 2003-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Lowell  Wolf → Wolf Sand & Gravel Company Inc; 1983-04-18 to 2003-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Wolf  Construction Co Inc → Jones Farm - Pit 605; 2003-06-01 to 2011-07-17; source msha-controller-operator-history
- **controller_controls_operator:** Lowell  Wolf → Wolf  Construction Co Inc; 2003-06-01 to 2011-07-17; source msha-controller-operator-history
- **operator_operates_mine:** Wolf  Paving Co Inc → Jones Farm - Pit 605; 2011-07-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lowell  Wolf → Jones Farm - Pit 605; 2011-07-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lowell  Wolf → Wolf  Paving Co Inc; 2011-07-18 to current/open; source msha-controller-operator-history