# Relationship history for MSHA mine 1508019

Current hierarchy: **Ferroglobe PLC → ARL Resources, LLC → Emlyn Tipple**

- 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:** TECO Energy Inc → Emlyn Tipple; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Renwood Coal Company Inc → Emlyn Tipple; 1975-02-04 to 1985-06-26; source msha-controller-operator-history
- **controller_controls_mine:** J V  Renfro et al → Emlyn Tipple; 1975-02-04 to 1985-06-26; source msha-controller-operator-history
- **controller_controls_operator:** J V  Renfro et al → Renwood Coal Company Inc; 1975-02-04 to 1985-06-26; source msha-controller-operator-history
- **operator_operates_mine:** Hickman Williams Coal & Energy → Emlyn Tipple; 1985-06-27 to 1988-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Hickman Williams & Co Of Ky et al → Emlyn Tipple; 1985-06-27 to 1988-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Hickman Williams & Co Of Ky et al → Hickman Williams Coal & Energy; 1985-06-27 to 1988-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Gatliff Coal Company Inc → Emlyn Tipple; 1988-04-01 to 2003-04-09; source msha-controller-operator-history
- **controller_controls_operator:** TECO Energy Inc → Gatliff Coal Company Inc; 1988-04-01 to 2003-04-09; source msha-controller-operator-history
- **operator_operates_mine:** Emlyn Coal Processing Inc → Emlyn Tipple; 2003-04-10 to 2007-07-30; source msha-controller-operator-history
- **controller_controls_mine:** Charles E  Mc Cullah → Emlyn Tipple; 2003-04-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles E  Mc Cullah → Emlyn Coal Processing Inc; 2003-04-10 to 2007-07-30; source msha-controller-operator-history
- **operator_operates_mine:** Emlyn Coal Processing LLC → Emlyn Tipple; 2007-07-31 to 2012-06-19; source msha-controller-operator-history
- **controller_controls_mine:** Dave  Kloeber et al → Emlyn Tipple; 2007-07-31 to 2008-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Dave  Kloeber et al → Emlyn Coal Processing LLC; 2007-07-31 to 2008-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Bart  Montanari et al → Emlyn Coal Processing LLC; 2007-07-31 to 2008-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Bart  Montanari → Emlyn Tipple; 2009-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bart  Montanari → Emlyn Coal Processing LLC; 2009-01-01 to 2012-06-19; source msha-controller-operator-history
- **operator_operates_mine:** ARL Resources, LLC → Emlyn Tipple; 2012-06-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ferroglobe PLC → Emlyn Tipple; 2012-06-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ferroglobe PLC → ARL Resources, LLC; 2012-06-20 to current/open; source msha-controller-operator-history