# Relationship history for MSHA mine 4607897

Current hierarchy: **John Mitch Potter → COAL-MAC, LLC → DINGESS PROCESSING COMPLEX**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **controller_controls_mine:** Michael C  Castle → DINGESS PROCESSING COMPLEX; 1988-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ashland Inc et al → DINGESS PROCESSING COMPLEX; 1989-10-19 to 1997-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Big South Mining & Construction Company Inc → DINGESS PROCESSING COMPLEX; 1990-06-01 to 1991-06-12; source msha-controller-operator-history
- **controller_controls_operator:** Michael C  Castle → Big South Mining & Construction Company Inc; 1990-06-01 to 1991-06-12; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → DINGESS PROCESSING COMPLEX; 1990-09-01 to 2011-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Odell Processing Inc → DINGESS PROCESSING COMPLEX; 1991-06-13 to 1995-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Robert L  Padgett Sr → DINGESS PROCESSING COMPLEX; 1991-06-13 to 1997-03-12; source msha-controller-operator-history
- **controller_controls_operator:** Robert L  Padgett Sr → Odell Processing Inc; 1991-06-13 to 1995-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Odell Processing Inc → DINGESS PROCESSING COMPLEX; 1995-07-01 to 2009-07-19; source msha-controller-operator-history
- **controller_controls_mine:** Franklin D  Robertson  et al → DINGESS PROCESSING COMPLEX; 1995-07-01 to 2002-01-21; source msha-controller-operator-history
- **controller_controls_operator:** Franklin D  Robertson  et al → Odell Processing Inc; 1995-07-01 to 2002-01-21; source msha-controller-operator-history
- **controller_controls_operator:** James O  Bunn  et al → Odell Processing Inc; 1995-07-01 to 2002-01-21; source msha-controller-operator-history
- **controller_controls_mine:** Arch Resources Inc → DINGESS PROCESSING COMPLEX; 1997-07-01 to 2019-10-22; source msha-controller-operator-history
- **controller_controls_mine:** Rag Aktiengesellschaft → DINGESS PROCESSING COMPLEX; 2002-01-22 to 2004-07-29; source msha-controller-operator-history
- **controller_controls_operator:** Rag Aktiengesellschaft → Odell Processing Inc; 2002-01-22 to 2004-07-29; source msha-controller-operator-history
- **controller_controls_mine:** Foundation Coal Corporation → DINGESS PROCESSING COMPLEX; 2004-07-30 to 2009-07-30; source msha-controller-operator-history
- **controller_controls_operator:** Foundation Coal Corporation → Odell Processing Inc; 2004-07-30 to 2009-07-19; source msha-controller-operator-history
- **operator_operates_mine:** Aracoma Coal Company, LLC → DINGESS PROCESSING COMPLEX; 2009-07-20 to 2017-10-22; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Aracoma Coal Company, LLC; 2009-07-20 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → DINGESS PROCESSING COMPLEX; 2009-07-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Odell Processing Inc; 2009-07-31 to 2009-07-19; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → DINGESS PROCESSING COMPLEX; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Aracoma Coal Company, LLC; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → DINGESS PROCESSING COMPLEX; 2016-07-26 to 2018-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Aracoma Coal Company, LLC; 2016-07-26 to 2017-10-22; source msha-controller-operator-history
- **operator_operates_mine:** Lexington Coal Company, LLC → DINGESS PROCESSING COMPLEX; 2017-10-23 to 2024-08-12; source msha-controller-operator-history
- **controller_controls_mine:** Lexington Coal Holdings, Inc → DINGESS PROCESSING COMPLEX; 2017-10-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lexington Coal Holdings, Inc → Lexington Coal Company, LLC; 2017-10-23 to 2024-08-12; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Metallurgical Resources Inc → DINGESS PROCESSING COMPLEX; 2018-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Metallurgical Resources Inc → Aracoma Coal Company, LLC; 2018-11-09 to 2017-10-22; source msha-controller-operator-history
- **controller_controls_mine:** John Mitch Potter → DINGESS PROCESSING COMPLEX; 2019-10-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coal-Mac, LLC → DINGESS PROCESSING COMPLEX; 2024-08-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John Mitch Potter → Coal-Mac, LLC; 2024-08-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc et al → Coal-Mac, LLC; 2024-08-13 to 1997-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Arch Resources Inc → Coal-Mac, LLC; 2024-08-13 to 2019-10-22; source msha-controller-operator-history