# Relationship history for MSHA mine 3401035

Current hierarchy: **James  Butler → JCJ TRUCKING LLC → BLACK BEAR MINE #2**

- 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:** Rock Island Stone Company → BLACK BEAR MINE #2; 1950-01-01 to 1986-01-29; source msha-controller-operator-history
- **controller_controls_mine:** A F  Bass → BLACK BEAR MINE #2; 1950-01-01 to 1986-01-29; source msha-controller-operator-history
- **controller_controls_operator:** A F  Bass → Rock Island Stone Company; 1950-01-01 to 1986-01-29; source msha-controller-operator-history
- **operator_operates_mine:** Rock Island Stone Company Inc → BLACK BEAR MINE #2; 1986-01-30 to 1995-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Brent  Quisenberry et al → BLACK BEAR MINE #2; 1986-01-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brent  Quisenberry et al → Rock Island Stone Company Inc; 1986-01-30 to 1995-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Pine's Stone Company Inc → BLACK BEAR MINE #2; 1995-11-01 to 2014-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Pamela R  Pine → BLACK BEAR MINE #2; 1995-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pamela R  Pine → Pine's Stone Company Inc; 1995-11-01 to 2014-12-31; source msha-controller-operator-history
- **controller_controls_mine:** James  Butler → BLACK BEAR MINE #2; 2014-07-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** JCJ Trucking LLC → BLACK BEAR MINE #2; 2015-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James  Butler → JCJ Trucking LLC; 2015-01-01 to current/open; source msha-controller-operator-history