# Relationship history for MSHA mine 0801393

Current hierarchy: **Teeraporn  Wells; Jeffery Ward  Wells → Babcock Coquina Mine, LLC → Ditch 5 Sand 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

- **operator_operates_mine:** Jenkins Trucking Inc → Ditch 5 Sand Mine; 2012-09-04 to 2018-01-15; source msha-controller-operator-history
- **controller_controls_mine:** Brian  Jenkins → Ditch 5 Sand Mine; 2012-09-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brian  Jenkins → Jenkins Trucking Inc; 2012-09-04 to 2018-01-15; source msha-controller-operator-history
- **operator_operates_mine:** Babcock Coquina Mine, LLC → Ditch 5 Sand Mine; 2018-01-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Teeraporn  Wells et al → Ditch 5 Sand Mine; 2018-01-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Teeraporn  Wells et al → Babcock Coquina Mine, LLC; 2018-01-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery Ward  Wells et al → Babcock Coquina Mine, LLC; 2018-01-16 to current/open; source msha-controller-operator-history
