# Relationship history for MSHA mine 4608372

Current hierarchy: **James L  Laurita Jr; Thomas A  Laurita → Dana Mining Company, Inc. → Plum #1**

- 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 Jr  et al → Plum #1; 1986-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James L  Laurita Jr  et al → Plum #1; 1991-01-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mepco Inc → Plum #1; 1993-12-01 to 2002-12-04; source msha-controller-operator-history
- **controller_controls_operator:** James L  Laurita Jr  et al → Mepco Inc; 1993-12-01 to 2002-12-04; source msha-controller-operator-history
- **controller_controls_operator:** Thomas A  Laurita  et al → Mepco Inc; 1993-12-01 to 2002-12-04; source msha-controller-operator-history
- **operator_operates_mine:** Dana Mining Company, Inc. → Plum #1; 2002-12-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James L  Laurita Jr  et al → Dana Mining Company, Inc.; 2002-12-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas A  Laurita  et al → Dana Mining Company, Inc.; 2002-12-05 to current/open; source msha-controller-operator-history