# Relationship history for MSHA mine 3607080

Current hierarchy: **James L  Laurita → Concorde Corp → Mathews 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:** James L  Laurita → Mathews Mine; 1979-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Concorde Corp → Mathews Mine; 1981-01-01 to 1984-01-19; source msha-controller-operator-history
- **controller_controls_operator:** James L  Laurita → Concorde Corp; 1981-01-01 to 1984-01-19; source msha-controller-operator-history
- **controller_controls_mine:** Charles D  Lilly → Mathews Mine; 1981-02-17 to 2012-12-31; source msha-controller-operator-history
- **operator_operates_mine:** J A L Coal Company Inc → Mathews Mine; 1984-01-20 to 1984-08-19; source msha-controller-operator-history
- **controller_controls_mine:** John A  Laurita → Mathews Mine; 1984-01-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John A  Laurita → J A L Coal Company Inc; 1984-01-20 to 1984-08-19; source msha-controller-operator-history
- **operator_operates_mine:** Crystal Mining Corp → Mathews Mine; 1984-08-20 to 1986-01-05; source msha-controller-operator-history
- **controller_controls_mine:** Mitchell Ray W → Mathews Mine; 1984-08-20 to 1986-01-05; source msha-controller-operator-history
- **controller_controls_operator:** Mitchell Ray W → Crystal Mining Corp; 1984-08-20 to 1986-01-05; source msha-controller-operator-history
- **operator_operates_mine:** Red Bone Mining Company → Mathews Mine; 1986-01-06 to 1993-12-09; source msha-controller-operator-history
- **controller_controls_operator:** Charles D  Lilly → Red Bone Mining Company; 1986-01-06 to 1993-12-09; source msha-controller-operator-history
- **operator_operates_mine:** Concorde Corp → Mathews Mine; 1993-12-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James L  Laurita → Concorde Corp; 1993-12-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kristopher C  Lilly → Mathews Mine; 2013-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kristopher C  Lilly → Red Bone Mining Company; 2013-01-01 to 1993-12-09; source msha-controller-operator-history