# Relationship history for MSHA mine 1517506

Current hierarchy: **Brian  Jones → Dennis Mining LLC → #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:** Arthur C  Miller → #1; 1987-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Miller Mining Company Inc → #1; 1994-02-01 to 1999-10-03; source msha-controller-operator-history
- **controller_controls_operator:** Arthur C  Miller → Miller Mining Company Inc; 1994-02-01 to 1999-10-03; source msha-controller-operator-history
- **controller_controls_mine:** Don  Robertson → #1; 1998-01-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Brian  Jones → #1; 1998-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Roger D  Barnette → #1; 1998-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** 3-D Mining Inc → #1; 1999-10-04 to 2000-01-06; source msha-controller-operator-history
- **controller_controls_operator:** Don  Robertson → 3-D Mining Inc; 1999-10-04 to 2000-01-06; source msha-controller-operator-history
- **operator_operates_mine:** Tradition Mining Corp → #1; 2000-01-07 to 2001-05-10; source msha-controller-operator-history
- **controller_controls_operator:** Roger D  Barnette → Tradition Mining Corp; 2000-01-07 to 2001-05-10; source msha-controller-operator-history
- **operator_operates_mine:** B & R Coal Company Inc → #1; 2001-05-11 to 2002-09-03; source msha-controller-operator-history
- **controller_controls_operator:** Brian  Jones → B & R Coal Company Inc; 2001-05-11 to 2002-09-03; source msha-controller-operator-history
- **operator_operates_mine:** Dennis Mining LLC → #1; 2002-09-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Brian  Jones → #1; 2002-09-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brian  Jones → Dennis Mining LLC; 2002-09-04 to current/open; source msha-controller-operator-history