# Relationship history for MSHA mine 1517586

Current hierarchy: **Myron G.  McCoy → Engle Hollow Mining, LLC → Pine Creek Mine**

- 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:** Pine Creek Energy Inc → Pine Creek Mine; 1994-08-01 to 1996-03-03; source msha-controller-operator-history
- **controller_controls_mine:** J Douglas  Hunsaker → Pine Creek Mine; 1994-08-01 to 1996-03-03; source msha-controller-operator-history
- **controller_controls_operator:** J Douglas  Hunsaker → Pine Creek Energy Inc; 1994-08-01 to 1996-03-03; source msha-controller-operator-history
- **operator_operates_mine:** Massive Mining Inc → Pine Creek Mine; 1996-03-04 to 1999-02-28; source msha-controller-operator-history
- **controller_controls_mine:** David  Bolling → Pine Creek Mine; 1996-03-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Bolling → Massive Mining Inc; 1996-03-04 to 1999-02-28; source msha-controller-operator-history
- **operator_operates_mine:** Ben Hollow Mining Inc → Pine Creek Mine; 1999-03-01 to 2003-03-14; source msha-controller-operator-history
- **controller_controls_mine:** Foyster  Bolling Jr → Pine Creek Mine; 1999-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Foyster  Bolling Jr → Ben Hollow Mining Inc; 1999-03-01 to 2003-03-14; source msha-controller-operator-history
- **operator_operates_mine:** Mountaintop Incorporated → Pine Creek Mine; 2003-03-15 to 2004-01-28; source msha-controller-operator-history
- **controller_controls_mine:** Steve  Meade → Pine Creek Mine; 2003-03-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steve  Meade → Mountaintop Incorporated; 2003-03-15 to 2004-01-28; source msha-controller-operator-history
- **controller_controls_mine:** Jim  Shubert et al → Pine Creek Mine; 2004-01-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Tri-Energy, Inc. → Pine Creek Mine; 2004-01-29 to 2004-07-07; source msha-controller-operator-history
- **controller_controls_operator:** Jim  Shubert et al → Tri-Energy, Inc.; 2004-01-29 to 2004-07-07; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Jennings et al → Tri-Energy, Inc.; 2004-01-29 to 2004-07-07; source msha-controller-operator-history
- **operator_operates_mine:** Blue Mountain Ventures Inc → Pine Creek Mine; 2004-07-08 to 2009-08-26; source msha-controller-operator-history
- **controller_controls_mine:** Peggy T  Turner  et al → Pine Creek Mine; 2004-07-08 to 2004-09-21; source msha-controller-operator-history
- **controller_controls_operator:** Peggy T  Turner  et al → Blue Mountain Ventures Inc; 2004-07-08 to 2004-09-21; source msha-controller-operator-history
- **controller_controls_operator:** W Paul  Turner  et al → Blue Mountain Ventures Inc; 2004-07-08 to 2004-09-21; source msha-controller-operator-history
- **controller_controls_mine:** R David  Barbe et al → Pine Creek Mine; 2004-09-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** R David  Barbe et al → Blue Mountain Ventures Inc; 2004-09-22 to 2009-08-26; source msha-controller-operator-history
- **controller_controls_operator:** John G  Rocovich Jr et al → Blue Mountain Ventures Inc; 2004-09-22 to 2009-08-26; source msha-controller-operator-history
- **operator_operates_mine:** Engle Hollow Mining, LLC → Pine Creek Mine; 2009-08-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Myron G.  McCoy → Pine Creek Mine; 2009-08-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Myron G.  McCoy → Engle Hollow Mining, LLC; 2009-08-27 to current/open; source msha-controller-operator-history