# Relationship history for MSHA mine 4608438

Current hierarchy: **Taishan Resources LLC → Taishan Coal, LLC → Alpheus Coal Refuse Disposal Facility**

- 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

- **operator_operates_mine:** Antaeus Gary Project Inc → Alpheus Coal Refuse Disposal Facility; 1994-09-01 to 2001-06-12; source msha-controller-operator-history
- **controller_controls_mine:** Mineral Development Corp Of DE → Alpheus Coal Refuse Disposal Facility; 1994-09-01 to 2001-06-12; source msha-controller-operator-history
- **controller_controls_operator:** Mineral Development Corp Of DE → Antaeus Gary Project Inc; 1994-09-01 to 2001-06-12; source msha-controller-operator-history
- **operator_operates_mine:** Below Par Inc → Alpheus Coal Refuse Disposal Facility; 2001-06-13 to 2008-05-18; source msha-controller-operator-history
- **controller_controls_mine:** Jay R  Childress → Alpheus Coal Refuse Disposal Facility; 2001-06-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jay R  Childress → Below Par Inc; 2001-06-13 to 2008-05-18; source msha-controller-operator-history
- **operator_operates_mine:** Buckshot Processing LLC → Alpheus Coal Refuse Disposal Facility; 2008-05-19 to 2010-01-10; source msha-controller-operator-history
- **controller_controls_mine:** Jay R  Childress → Alpheus Coal Refuse Disposal Facility; 2008-05-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jay R  Childress → Buckshot Processing LLC; 2008-05-19 to 2010-01-10; source msha-controller-operator-history
- **operator_operates_mine:** Greenfields Coal Company, LLC → Alpheus Coal Refuse Disposal Facility; 2010-01-11 to 2014-05-20; source msha-controller-operator-history
- **controller_controls_mine:** Rory J  Cutaia et al → Alpheus Coal Refuse Disposal Facility; 2010-01-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rory J  Cutaia et al → Greenfields Coal Company, LLC; 2010-01-11 to 2014-05-20; source msha-controller-operator-history
- **controller_controls_operator:** Advanced Coal Technologies LLC et al → Greenfields Coal Company, LLC; 2010-01-11 to 2014-05-20; source msha-controller-operator-history
- **operator_operates_mine:** Blaze Mining Company, LLC → Alpheus Coal Refuse Disposal Facility; 2014-05-21 to 2017-03-08; source msha-controller-operator-history
- **controller_controls_mine:** Richard  Tuorto → Alpheus Coal Refuse Disposal Facility; 2014-05-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard  Tuorto → Blaze Mining Company, LLC; 2014-05-21 to 2017-03-08; source msha-controller-operator-history
- **operator_operates_mine:** Arq Gary, LLC → Alpheus Coal Refuse Disposal Facility; 2017-03-09 to 2019-06-13; source msha-controller-operator-history
- **controller_controls_mine:** Arq Limited → Alpheus Coal Refuse Disposal Facility; 2017-03-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Arq Limited → Arq Gary, LLC; 2017-03-09 to 2019-06-13; source msha-controller-operator-history
- **operator_operates_mine:** Taishan Coal, LLC → Alpheus Coal Refuse Disposal Facility; 2019-06-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Taishan Resources LLC → Alpheus Coal Refuse Disposal Facility; 2019-06-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Taishan Resources LLC → Taishan Coal, LLC; 2019-06-14 to current/open; source msha-controller-operator-history