# Relationship history for MSHA mine 1519774

Current hierarchy: **Scott D  Stewart → Kamco, LLC. → Swan Pond**

- 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:** James  Cox et al → Swan Pond; 2007-03-30 to 2009-07-16; source msha-controller-operator-history
- **controller_controls_mine:** NCGPAsset Holdings II LP et al → Swan Pond; 2009-07-17 to 2011-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Ferroglobe PLC → Swan Pond; 2011-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Deborah  Pinney et al → Swan Pond; 2013-12-24 to 2024-11-30; source msha-controller-operator-history
- **operator_operates_mine:** Swope Energy LLC → Swan Pond; 2015-02-24 to 2016-10-17; source msha-controller-operator-history
- **controller_controls_mine:** Chandler  Swope → Swan Pond; 2015-02-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chandler  Swope → Swope Energy LLC; 2015-02-24 to 2016-10-17; source msha-controller-operator-history
- **operator_operates_mine:** Loudermilk Contracting INC. → Swan Pond; 2016-10-18 to 2018-07-09; source msha-controller-operator-history
- **controller_controls_operator:** Deborah  Pinney et al → Loudermilk Contracting INC.; 2016-10-18 to 2018-07-09; source msha-controller-operator-history
- **controller_controls_operator:** Joseph  Loudermilk et al → Loudermilk Contracting INC.; 2016-10-18 to 2018-07-09; source msha-controller-operator-history
- **operator_operates_mine:** Alden Resources LLC → Swan Pond; 2018-07-10 to 2019-06-10; source msha-controller-operator-history
- **controller_controls_operator:** James  Cox et al → Alden Resources LLC; 2018-07-10 to 2009-07-16; source msha-controller-operator-history
- **controller_controls_operator:** NCGPAsset Holdings II LP et al → Alden Resources LLC; 2018-07-10 to 2011-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Ferroglobe PLC → Alden Resources LLC; 2018-07-10 to 2019-06-10; source msha-controller-operator-history
- **controller_controls_mine:** Kevin  Elza et al → Swan Pond; 2018-09-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** 7 Enterprises LLC → Swan Pond; 2019-06-11 to 2021-05-17; source msha-controller-operator-history
- **controller_controls_operator:** Kevin  Elza et al → 7 Enterprises LLC; 2019-06-11 to 2021-05-17; source msha-controller-operator-history
- **controller_controls_operator:** Kyle W  Elza et al → 7 Enterprises LLC; 2019-06-11 to 2021-05-17; source msha-controller-operator-history
- **controller_controls_operator:** Jody K  Elza et al → 7 Enterprises LLC; 2019-06-11 to 2021-05-17; source msha-controller-operator-history
- **controller_controls_mine:** Steven R  Adkins → Swan Pond; 2020-11-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** ADCO Excavation, LLC → Swan Pond; 2021-05-18 to 2022-03-13; source msha-controller-operator-history
- **controller_controls_operator:** Steven R  Adkins → ADCO Excavation, LLC; 2021-05-18 to 2022-03-13; source msha-controller-operator-history
- **controller_controls_mine:** Scott D  Stewart → Swan Pond; 2021-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kamco, LLC. → Swan Pond; 2022-03-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott D  Stewart → Kamco, LLC.; 2022-03-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Joseph Henry Loudermilk et al → Swan Pond; 2024-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph Henry Loudermilk et al → Loudermilk Contracting INC.; 2024-12-01 to 2018-07-09; source msha-controller-operator-history
- **controller_controls_operator:** John Daniel Loudermilk et al → Loudermilk Contracting INC.; 2024-12-01 to 2018-07-09; source msha-controller-operator-history