# Relationship history for MSHA mine 0801078

Current hierarchy: **Scott  Ritchey → Allstar Materials LLC → Clifton Quarry**

- 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:** Martin Marietta Materials Inc → Clifton Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Luther M White Trust et al → Clifton Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James T  Boutwell → Clifton Quarry; 1981-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Boutwell Limerock Mining Inc → Clifton Quarry; 1987-08-01 to 1995-06-30; source msha-controller-operator-history
- **controller_controls_operator:** James T  Boutwell → Boutwell Limerock Mining Inc; 1987-08-01 to 1995-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Limerock Industries Inc → Clifton Quarry; 1995-07-01 to 2002-07-17; source msha-controller-operator-history
- **controller_controls_operator:** Luther M White Trust et al → Limerock Industries Inc; 1995-07-01 to 2002-07-17; source msha-controller-operator-history
- **controller_controls_mine:** Steven  Counts  et al → Clifton Quarry; 2001-10-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Martin Marietta Materials → Clifton Quarry; 2002-07-18 to 2003-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Martin Marietta Materials Inc → Martin Marietta Materials; 2002-07-18 to 2003-04-30; source msha-controller-operator-history
- **operator_operates_mine:** Steven Counts Inc → Clifton Quarry; 2003-05-01 to 2011-11-20; source msha-controller-operator-history
- **controller_controls_operator:** Steven  Counts  et al → Steven Counts Inc; 2003-05-01 to 2011-11-20; source msha-controller-operator-history
- **controller_controls_operator:** Dana  Counts  et al → Steven Counts Inc; 2003-05-01 to 2011-11-20; source msha-controller-operator-history
- **operator_operates_mine:** Magnum Materials LLC → Clifton Quarry; 2011-11-21 to 2016-10-02; source msha-controller-operator-history
- **controller_controls_mine:** Gerald  Hickman → Clifton Quarry; 2011-11-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gerald  Hickman → Magnum Materials LLC; 2011-11-21 to 2016-10-02; source msha-controller-operator-history
- **controller_controls_mine:** Scott  Ritchey → Clifton Quarry; 2016-04-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Magnum Materials LLC → Clifton Quarry; 2016-10-03 to 2020-03-16; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Ritchey → Magnum Materials LLC; 2016-10-03 to 2020-03-16; source msha-controller-operator-history
- **operator_operates_mine:** Allstar Materials LLC → Clifton Quarry; 2020-03-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Scott  Ritchey → Clifton Quarry; 2020-03-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Ritchey → Allstar Materials LLC; 2020-03-17 to current/open; source msha-controller-operator-history