# Relationship history for MSHA mine 4609211

Current hierarchy: **Ramaco Resources Inc → Ramaco Resources, LLC → Squire Jim No 2 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

- **controller_controls_mine:** CONSOL Energy Inc → Squire Jim No 2 Mine; 1950-01-01 to 2013-12-04; source msha-controller-operator-history
- **controller_controls_mine:** Thomas W  Lusk → Squire Jim No 2 Mine; 2001-06-22 to 2005-01-11; source msha-controller-operator-history
- **controller_controls_mine:** Dick J  Plaster → Squire Jim No 2 Mine; 2002-05-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** MELISSA  CLINE → Squire Jim No 2 Mine; 2005-01-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Consolidation Coal Company → Squire Jim No 2 Mine; 2007-03-29 to 2007-07-25; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Consolidation Coal Company; 2007-03-29 to 2007-07-25; source msha-controller-operator-history
- **operator_operates_mine:** Harvest-Time Coal Inc → Squire Jim No 2 Mine; 2007-07-26 to 2008-07-13; source msha-controller-operator-history
- **controller_controls_operator:** Dick J  Plaster → Harvest-Time Coal Inc; 2007-07-26 to 2008-07-13; source msha-controller-operator-history
- **operator_operates_mine:** Glow Worm Coal Company → Squire Jim No 2 Mine; 2008-07-14 to 2011-04-25; source msha-controller-operator-history
- **controller_controls_operator:** MELISSA  CLINE → Glow Worm Coal Company; 2008-07-14 to 2011-04-25; source msha-controller-operator-history
- **controller_controls_operator:** Thomas W  Lusk → Glow Worm Coal Company; 2008-07-14 to 2005-01-11; source msha-controller-operator-history
- **operator_operates_mine:** Consolidation Coal Company → Squire Jim No 2 Mine; 2011-04-26 to 2012-01-18; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Consolidation Coal Company; 2011-04-26 to 2012-01-18; source msha-controller-operator-history
- **operator_operates_mine:** GEMCO Energy Inc → Squire Jim No 2 Mine; 2012-01-19 to 2016-10-27; source msha-controller-operator-history
- **controller_controls_mine:** Jerry  Stacy → Squire Jim No 2 Mine; 2012-01-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry  Stacy → GEMCO Energy Inc; 2012-01-19 to 2016-10-27; source msha-controller-operator-history
- **controller_controls_mine:** Michael D Bauersachs → Squire Jim No 2 Mine; 2012-04-27 to 2016-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Robert E  Murray → Squire Jim No 2 Mine; 2013-12-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Murray → Consolidation Coal Company; 2013-12-05 to 2007-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Murray → Consolidation Coal Company; 2013-12-05 to 2012-01-18; source msha-controller-operator-history
- **controller_controls_mine:** Coronado Coal LLC → Squire Jim No 2 Mine; 2016-03-31 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Buchanan Minerals, LLC → Squire Jim No 2 Mine; 2016-10-28 to 2021-12-12; source msha-controller-operator-history
- **controller_controls_operator:** Coronado Coal LLC → Buchanan Minerals, LLC; 2016-10-28 to 2021-12-12; source msha-controller-operator-history
- **controller_controls_mine:** Ramaco Resources Inc → Squire Jim No 2 Mine; 2017-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Ramaco Resources, LLC → Squire Jim No 2 Mine; 2021-12-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael D Bauersachs → Ramaco Resources, LLC; 2021-12-13 to 2016-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Ramaco Resources Inc → Ramaco Resources, LLC; 2021-12-13 to current/open; source msha-controller-operator-history