# Relationship history for MSHA mine 4609007

Current hierarchy: **David D  Bundy → Bundy Auger Mining, Inc. → SHM 27 Highwall Miner**

- 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:** Robert  Williams et al → SHM 27 Highwall Miner; 1991-08-01 to 2010-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Douglas M  Epling → SHM 27 Highwall Miner; 1994-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mountain Edge Mining Inc → SHM 27 Highwall Miner; 2003-09-25 to 2004-07-08; source msha-controller-operator-history
- **controller_controls_operator:** Douglas M  Epling → Mountain Edge Mining Inc; 2003-09-25 to 2004-07-08; source msha-controller-operator-history
- **operator_operates_mine:** Bundy Auger Mining Inc → SHM 27 Highwall Miner; 2004-07-09 to 2014-04-16; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Williams et al → Bundy Auger Mining Inc; 2004-07-09 to 2010-07-25; source msha-controller-operator-history
- **controller_controls_operator:** David D  Bundy et al → Bundy Auger Mining Inc; 2004-07-09 to 2010-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Perian  Salviola et al → SHM 27 Highwall Miner; 2010-07-26 to 2012-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Perian  Salviola et al → Bundy Auger Mining Inc; 2010-07-26 to 2012-12-31; source msha-controller-operator-history
- **controller_controls_operator:** David D  Bundy et al → Bundy Auger Mining Inc; 2010-07-26 to 2012-12-31; source msha-controller-operator-history
- **controller_controls_mine:** David D  Bundy et al → SHM 27 Highwall Miner; 2013-01-01 to 2016-06-27; source msha-controller-operator-history
- **controller_controls_operator:** David D  Bundy et al → Bundy Auger Mining Inc; 2013-01-01 to 2014-04-16; source msha-controller-operator-history
- **controller_controls_operator:** OHA Investment Corporation et al → Bundy Auger Mining Inc; 2013-01-01 to 2014-04-16; source msha-controller-operator-history
- **controller_controls_mine:** Tom  Evans et al → SHM 27 Highwall Miner; 2014-02-25 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Keystone Coal Reserves, LLC → SHM 27 Highwall Miner; 2014-04-17 to 2014-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Tom  Evans et al → Keystone Coal Reserves, LLC; 2014-04-17 to 2014-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Victor J  Pensiero et al → Keystone Coal Reserves, LLC; 2014-04-17 to 2014-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Bundy Auger Mining, Inc. → SHM 27 Highwall Miner; 2014-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David D  Bundy et al → Bundy Auger Mining, Inc.; 2014-08-01 to 2012-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Perian  Salviola et al → Bundy Auger Mining, Inc.; 2014-08-01 to 2012-12-31; source msha-controller-operator-history
- **controller_controls_operator:** OHA Investment Corporation et al → Bundy Auger Mining, Inc.; 2014-08-01 to 2016-06-27; source msha-controller-operator-history
- **controller_controls_operator:** David D  Bundy et al → Bundy Auger Mining, Inc.; 2014-08-01 to 2016-06-27; source msha-controller-operator-history
- **controller_controls_operator:** David D  Bundy et al → Bundy Auger Mining, Inc.; 2014-08-01 to 2010-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Williams et al → Bundy Auger Mining, Inc.; 2014-08-01 to 2010-07-25; source msha-controller-operator-history
- **controller_controls_mine:** David D  Bundy → SHM 27 Highwall Miner; 2016-06-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David D  Bundy → Bundy Auger Mining Inc; 2016-06-28 to 2014-04-16; source msha-controller-operator-history
- **controller_controls_operator:** David D  Bundy → Bundy Auger Mining, Inc.; 2016-06-28 to current/open; source msha-controller-operator-history