# Relationship history for MSHA mine 1519371

Current hierarchy: **SDC LLC; Cox Enterprises LLC → Commonwealth Mining, LLC → SHM-47**

- 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:** Larry  Thornsberry et al → SHM-47; 1982-06-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Terry  Thornsberry et al → SHM-47; 2004-11-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Major Elkhorn Mining LLC → SHM-47; 2009-01-08 to 2012-01-03; source msha-controller-operator-history
- **controller_controls_operator:** Terry  Thornsberry et al → Major Elkhorn Mining LLC; 2009-01-08 to 2012-01-03; source msha-controller-operator-history
- **controller_controls_operator:** Larry  Thornsberry et al → Major Elkhorn Mining LLC; 2009-01-08 to 2012-01-03; source msha-controller-operator-history
- **controller_controls_mine:** Cox Enterprises et al → SHM-47; 2010-03-03 to 2018-12-31; source msha-controller-operator-history
- **operator_operates_mine:** PIA Company, Inc. → SHM-47; 2012-01-04 to 2017-03-05; source msha-controller-operator-history
- **controller_controls_operator:** Larry  Thornsberry et al → PIA Company, Inc.; 2012-01-04 to 2017-03-05; source msha-controller-operator-history
- **operator_operates_mine:** MEGA HIGHWALL MINING LLC → SHM-47; 2017-03-06 to 2021-08-30; source msha-controller-operator-history
- **controller_controls_mine:** Daniel W  Bunn → SHM-47; 2017-03-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel W  Bunn → MEGA HIGHWALL MINING LLC; 2017-03-06 to 2021-08-30; source msha-controller-operator-history
- **controller_controls_mine:** Cox Enterprises LLC et al → SHM-47; 2019-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Commonwealth Mining, LLC → SHM-47; 2021-08-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cox Enterprises et al → Commonwealth Mining, LLC; 2021-08-31 to 2018-12-31; source msha-controller-operator-history
- **controller_controls_operator:** L C Management et al → Commonwealth Mining, LLC; 2021-08-31 to 2018-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Cox Enterprises LLC et al → Commonwealth Mining, LLC; 2021-08-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** SDC LLC et al → Commonwealth Mining, LLC; 2021-08-31 to current/open; source msha-controller-operator-history