# Relationship history for MSHA mine 0301857

Current hierarchy: **Ginger  Everett; Brandon  Everett → B and B Construction and Gravel, Inc → B & B GRAVEL #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:** B and B Construction and Gravel, Inc → B & B GRAVEL #2; 2001-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Frank  Bearden  et al → B & B GRAVEL #2; 2001-08-01 to 2018-07-19; source msha-controller-operator-history
- **controller_controls_operator:** Frank  Bearden  et al → B and B Construction and Gravel, Inc; 2001-08-01 to 2018-07-19; source msha-controller-operator-history
- **controller_controls_operator:** Norita  Bearden  et al → B and B Construction and Gravel, Inc; 2001-08-01 to 2018-07-19; source msha-controller-operator-history
- **controller_controls_mine:** Beverly A  Foster et al → B & B GRAVEL #2; 2018-07-20 to 2022-04-03; source msha-controller-operator-history
- **controller_controls_operator:** Beverly A  Foster et al → B and B Construction and Gravel, Inc; 2018-07-20 to 2022-04-03; source msha-controller-operator-history
- **controller_controls_operator:** Trina L  King et al → B and B Construction and Gravel, Inc; 2018-07-20 to 2022-04-03; source msha-controller-operator-history
- **controller_controls_operator:** Monda B  Clayborn et al → B and B Construction and Gravel, Inc; 2018-07-20 to 2022-04-03; source msha-controller-operator-history
- **controller_controls_mine:** Ginger  Everett et al → B & B GRAVEL #2; 2022-04-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ginger  Everett et al → B and B Construction and Gravel, Inc; 2022-04-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brandon  Everett et al → B and B Construction and Gravel, Inc; 2022-04-04 to current/open; source msha-controller-operator-history
