# Relationship history for MSHA mine 1202445

Current hierarchy: **Daniel W  Bunn → Mega Highwall Mining LLC → ADDCAR System 40 HWM Serial No. 23040**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** International Coal Group Inc (ICG) → ADDCAR System 40 HWM Serial No. 23040; 2004-10-27 to 2011-06-14; source msha-controller-operator-history
- **operator_operates_mine:** ADDCAR Systems, LLC → ADDCAR System 40 HWM Serial No. 23040; 2011-04-21 to 2022-07-21; source msha-controller-operator-history
- **controller_controls_operator:** International Coal Group Inc (ICG) → ADDCAR Systems, LLC; 2011-04-21 to 2011-06-14; source msha-controller-operator-history
- **controller_controls_mine:** Arch Resources Inc → ADDCAR System 40 HWM Serial No. 23040; 2011-06-15 to 2014-02-11; source msha-controller-operator-history
- **controller_controls_operator:** Arch Resources Inc → ADDCAR Systems, LLC; 2011-06-15 to 2014-02-11; source msha-controller-operator-history
- **controller_controls_mine:** ADDCAR Holdings Pty.Ltd. → ADDCAR System 40 HWM Serial No. 23040; 2014-02-12 to 2020-08-13; source msha-controller-operator-history
- **controller_controls_operator:** ADDCAR Holdings Pty.Ltd. → ADDCAR Systems, LLC; 2014-02-12 to 2020-08-13; source msha-controller-operator-history
- **controller_controls_mine:** Daniel W  Bunn → ADDCAR System 40 HWM Serial No. 23040; 2017-03-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Big Bridge Big Dog PTY LTD → ADDCAR System 40 HWM Serial No. 23040; 2020-08-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Big Bridge Big Dog PTY LTD → ADDCAR Systems, LLC; 2020-08-14 to 2022-07-21; source msha-controller-operator-history
- **controller_controls_mine:** John  McNab et al → ADDCAR System 40 HWM Serial No. 23040; 2021-05-26 to 2022-06-05; source msha-controller-operator-history
- **controller_controls_mine:** David Michael  Jamison et al → ADDCAR System 40 HWM Serial No. 23040; 2022-06-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Eagle Highwall Mining Systems, LLC → ADDCAR System 40 HWM Serial No. 23040; 2022-07-22 to 2023-02-19; source msha-controller-operator-history
- **controller_controls_operator:** John  McNab et al → Eagle Highwall Mining Systems, LLC; 2022-07-22 to 2022-06-05; source msha-controller-operator-history
- **controller_controls_operator:** Petri E Koivula et al → Eagle Highwall Mining Systems, LLC; 2022-07-22 to 2022-06-05; source msha-controller-operator-history
- **controller_controls_operator:** Mike  Jamison et al → Eagle Highwall Mining Systems, LLC; 2022-07-22 to 2022-06-05; source msha-controller-operator-history
- **controller_controls_operator:** David Michael  Jamison et al → Eagle Highwall Mining Systems, LLC; 2022-07-22 to 2023-02-19; source msha-controller-operator-history
- **controller_controls_operator:** Petri E Koivula et al → Eagle Highwall Mining Systems, LLC; 2022-07-22 to 2023-02-19; source msha-controller-operator-history
- **operator_operates_mine:** Mega Highwall Mining LLC → ADDCAR System 40 HWM Serial No. 23040; 2023-02-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel W  Bunn → Mega Highwall Mining LLC; 2023-02-20 to current/open; source msha-controller-operator-history