# Relationship history for MSHA mine 4406777

Current hierarchy: **(Harold) Lynn  Keene; Larry  Stinson → Omega Mining, Inc. → Southern Crescent 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:** (Harold) Lynn  Keene et al → Southern Crescent Mine; 1976-05-01 to 2012-01-16; source msha-controller-operator-history
- **operator_operates_mine:** Harold Keene Coal Company Inc → Southern Crescent Mine; 1994-09-01 to 2001-05-24; source msha-controller-operator-history
- **controller_controls_operator:** (Harold) Lynn  Keene et al → Harold Keene Coal Company Inc; 1994-09-01 to 2001-05-24; source msha-controller-operator-history
- **controller_controls_operator:** Larry  Stinson et al → Harold Keene Coal Company Inc; 1994-09-01 to 2001-05-24; source msha-controller-operator-history
- **controller_controls_mine:** Dick J  Plaster → Southern Crescent Mine; 1996-01-31 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** D J Coal Inc → Southern Crescent Mine; 2001-05-25 to 2004-04-12; source msha-controller-operator-history
- **controller_controls_operator:** Dick J  Plaster → D J Coal Inc; 2001-05-25 to 2004-04-12; source msha-controller-operator-history
- **controller_controls_mine:** Dick J  Plaster → Southern Crescent Mine; 2002-05-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Harold Keene Coal Company Inc → Southern Crescent Mine; 2004-04-13 to 2004-06-07; source msha-controller-operator-history
- **controller_controls_operator:** (Harold) Lynn  Keene et al → Harold Keene Coal Company Inc; 2004-04-13 to 2004-06-07; source msha-controller-operator-history
- **controller_controls_operator:** Larry  Stinson et al → Harold Keene Coal Company Inc; 2004-04-13 to 2004-06-07; source msha-controller-operator-history
- **operator_operates_mine:** Omega Mining, Inc. → Southern Crescent Mine; 2004-06-08 to 2004-12-05; source msha-controller-operator-history
- **controller_controls_mine:** (Harold) Lynn  Keene et al → Southern Crescent Mine; 2004-06-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** (Harold) Lynn  Keene et al → Omega Mining, Inc.; 2004-06-08 to 2004-12-05; source msha-controller-operator-history
- **controller_controls_operator:** Larry  Stinson et al → Omega Mining, Inc.; 2004-06-08 to 2004-12-05; source msha-controller-operator-history
- **operator_operates_mine:** Harvest-Time Coal Inc → Southern Crescent Mine; 2004-12-06 to 2006-03-05; source msha-controller-operator-history
- **controller_controls_operator:** Dick J  Plaster → Harvest-Time Coal Inc; 2004-12-06 to 2006-03-05; source msha-controller-operator-history
- **operator_operates_mine:** Omega Mining, Inc. → Southern Crescent Mine; 2006-03-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larry  Stinson et al → Omega Mining, Inc.; 2006-03-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** (Harold) Lynn  Keene et al → Omega Mining, Inc.; 2006-03-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** SunCoke Energy Incorporated → Southern Crescent Mine; 2012-01-17 to 2018-08-20; source msha-controller-operator-history
- **controller_controls_operator:** SunCoke Energy Incorporated → Harold Keene Coal Company Inc; 2012-01-17 to 2001-05-24; source msha-controller-operator-history
- **controller_controls_operator:** SunCoke Energy Incorporated → Harold Keene Coal Company Inc; 2012-01-17 to 2004-06-07; source msha-controller-operator-history
- **controller_controls_mine:** Jeffery A  Hoops → Southern Crescent Mine; 2018-08-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery A  Hoops → Harold Keene Coal Company Inc; 2018-08-21 to 2001-05-24; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery A  Hoops → Harold Keene Coal Company Inc; 2018-08-21 to 2004-06-07; source msha-controller-operator-history