# Relationship history for MSHA mine 3609198

Current hierarchy: **David D  Bundy → Bundy Auger Mining, Inc. → BAM VA Auger**

- 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:** Robert  Williams et al → BAM VA Auger; 1991-08-01 to 2010-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Michael T  McCullough → BAM VA Auger; 1994-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** David L  Huffman → BAM VA Auger; 2003-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Black Hawk Mining Inc → BAM VA Auger; 2004-04-08 to 2021-09-12; source msha-controller-operator-history
- **controller_controls_operator:** Michael T  McCullough → Black Hawk Mining Inc; 2004-04-08 to 2021-09-12; source msha-controller-operator-history
- **controller_controls_mine:** David D  Bundy et al → BAM VA Auger; 2010-07-26 to 2012-12-31; source msha-controller-operator-history
- **controller_controls_mine:** OHA Investment Corporation et al → BAM VA Auger; 2013-01-01 to 2016-06-27; source msha-controller-operator-history
- **controller_controls_mine:** David D  Bundy → BAM VA Auger; 2016-06-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jannette  Layman et al → BAM VA Auger; 2019-07-23 to 2021-03-11; source msha-controller-operator-history
- **controller_controls_mine:** Justin L Simmons et al → BAM VA Auger; 2021-03-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Resources Ltd. LLC → BAM VA Auger; 2021-09-13 to 2021-12-07; source msha-controller-operator-history
- **controller_controls_operator:** David L  Huffman → Resources Ltd. LLC; 2021-09-13 to 2021-12-07; source msha-controller-operator-history
- **operator_operates_mine:** Potomac-North, Inc. → BAM VA Auger; 2021-12-08 to 2023-09-18; source msha-controller-operator-history
- **controller_controls_operator:** Jannette  Layman et al → Potomac-North, Inc.; 2021-12-08 to 2021-03-11; source msha-controller-operator-history
- **controller_controls_operator:** Curtis  Layman et al → Potomac-North, Inc.; 2021-12-08 to 2021-03-11; source msha-controller-operator-history
- **controller_controls_operator:** Justin L Simmons et al → Potomac-North, Inc.; 2021-12-08 to 2023-09-18; source msha-controller-operator-history
- **controller_controls_operator:** Alexander J Woods et al → Potomac-North, Inc.; 2021-12-08 to 2023-09-18; source msha-controller-operator-history
- **operator_operates_mine:** Bundy Auger Mining, Inc. → BAM VA Auger; 2023-09-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David D  Bundy et al → Bundy Auger Mining, Inc.; 2023-09-19 to 2012-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Perian  Salviola et al → Bundy Auger Mining, Inc.; 2023-09-19 to 2012-12-31; source msha-controller-operator-history
- **controller_controls_operator:** OHA Investment Corporation et al → Bundy Auger Mining, Inc.; 2023-09-19 to 2016-06-27; source msha-controller-operator-history
- **controller_controls_operator:** David D  Bundy et al → Bundy Auger Mining, Inc.; 2023-09-19 to 2016-06-27; source msha-controller-operator-history
- **controller_controls_operator:** David D  Bundy → Bundy Auger Mining, Inc.; 2023-09-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Williams et al → Bundy Auger Mining, Inc.; 2023-09-19 to 2010-07-25; source msha-controller-operator-history
- **controller_controls_operator:** David D  Bundy et al → Bundy Auger Mining, Inc.; 2023-09-19 to 2010-07-25; source msha-controller-operator-history