# Relationship history for MSHA mine 1518490

Current hierarchy: **Steve C  Davis; (Wm) Mike  Davis → S and M Construction → No. 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

- **operator_operates_mine:** Double K Mining, Inc. → No. 1; 2001-12-13 to 2004-08-16; source msha-controller-operator-history
- **controller_controls_mine:** Suzette  Meenach et al → No. 1; 2001-12-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Suzette  Meenach et al → Double K Mining, Inc.; 2001-12-13 to 2004-08-16; source msha-controller-operator-history
- **controller_controls_operator:** Clyde  Meenach  et al → Double K Mining, Inc.; 2001-12-13 to 2004-08-16; source msha-controller-operator-history
- **operator_operates_mine:** Kimark Trucking Co. Inc. → No. 1; 2004-08-17 to 2004-11-04; source msha-controller-operator-history
- **controller_controls_mine:** Kimberly  Osborne → No. 1; 2004-08-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kimberly  Osborne → Kimark Trucking Co. Inc.; 2004-08-17 to 2004-11-04; source msha-controller-operator-history
- **operator_operates_mine:** S and M Construction → No. 1; 2004-11-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Steve C  Davis et al → No. 1; 2004-11-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steve C  Davis et al → S and M Construction; 2004-11-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** (Wm) Mike  Davis et al → S and M Construction; 2004-11-05 to current/open; source msha-controller-operator-history