# Relationship history for MSHA mine 1519557

Current hierarchy: **Ramaco Resources Inc → Ramaco Resources, LLC → HWM No. 3**

- 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:** Jeffery A  Hoops → HWM No. 3; 2009-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** L C Management et al → HWM No. 3; 2010-03-03 to 2018-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Alpha Highwall Mining LLC → HWM No. 3; 2011-01-12 to 2014-02-09; source msha-controller-operator-history
- **controller_controls_mine:** David D  Bundy et al → HWM No. 3; 2011-01-12 to 2012-06-05; source msha-controller-operator-history
- **controller_controls_operator:** David D  Bundy et al → Alpha Highwall Mining LLC; 2011-01-12 to 2012-06-05; source msha-controller-operator-history
- **controller_controls_operator:** Jeff  Hoops et al → Alpha Highwall Mining LLC; 2011-01-12 to 2012-06-05; source msha-controller-operator-history
- **controller_controls_mine:** Michael D Bauersachs → HWM No. 3; 2012-04-27 to 2016-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Jeffery A  Hoops → HWM No. 3; 2012-06-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery A  Hoops → Alpha Highwall Mining LLC; 2012-06-06 to 2014-02-09; source msha-controller-operator-history
- **operator_operates_mine:** Revelation Energy, LLC. → HWM No. 3; 2014-02-10 to 2021-10-25; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery A  Hoops → Revelation Energy, LLC.; 2014-02-10 to 2021-10-25; source msha-controller-operator-history
- **controller_controls_mine:** Michael D Bauersachs → HWM No. 3; 2016-07-01 to 2016-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Ramaco Resources Inc → HWM No. 3; 2017-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cox Enterprises LLC et al → HWM No. 3; 2019-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Commonwealth Mining, LLC → HWM No. 3; 2021-10-26 to 2022-07-21; source msha-controller-operator-history
- **controller_controls_operator:** L C Management et al → Commonwealth Mining, LLC; 2021-10-26 to 2018-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Cox Enterprises et al → Commonwealth Mining, LLC; 2021-10-26 to 2018-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Cox Enterprises LLC et al → Commonwealth Mining, LLC; 2021-10-26 to 2022-07-21; source msha-controller-operator-history
- **controller_controls_operator:** SDC LLC et al → Commonwealth Mining, LLC; 2021-10-26 to 2022-07-21; source msha-controller-operator-history
- **operator_operates_mine:** Ramaco Resources, LLC → HWM No. 3; 2022-07-22 to 2023-08-27; source msha-controller-operator-history
- **controller_controls_operator:** Michael D Bauersachs → Ramaco Resources, LLC; 2022-07-22 to 2016-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Ramaco Resources Inc → Ramaco Resources, LLC; 2022-07-22 to 2023-08-27; source msha-controller-operator-history
- **operator_operates_mine:** Ramaco Resources Land Holdings, LLC → HWM No. 3; 2023-08-28 to 2024-07-04; source msha-controller-operator-history
- **controller_controls_operator:** Michael D Bauersachs → Ramaco Resources Land Holdings, LLC; 2023-08-28 to 2016-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Ramaco Resources Inc → Ramaco Resources Land Holdings, LLC; 2023-08-28 to 2024-07-04; source msha-controller-operator-history
- **operator_operates_mine:** Ramaco Resources, LLC → HWM No. 3; 2024-07-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael D Bauersachs → Ramaco Resources, LLC; 2024-07-05 to 2016-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Ramaco Resources Inc → Ramaco Resources, LLC; 2024-07-05 to current/open; source msha-controller-operator-history