# Relationship history for MSHA mine 0103102

Current hierarchy: **Jimmie R  Ryan → North Pratt Mining, LLC → Pratt No. 1 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:** Fossil Ridge Mining Company Inc → Pratt No. 1 Mine; 1997-07-01 to 2001-02-27; source msha-controller-operator-history
- **controller_controls_mine:** CraKol Energy LLC → Pratt No. 1 Mine; 1997-07-01 to 2001-02-27; source msha-controller-operator-history
- **controller_controls_operator:** CraKol Energy LLC → Fossil Ridge Mining Company Inc; 1997-07-01 to 2001-02-27; source msha-controller-operator-history
- **controller_controls_mine:** Jerry L  Gardner → Pratt No. 1 Mine; 1998-12-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jimmie R  Ryan et al → Pratt No. 1 Mine; 2000-07-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bankhead-Gardner Inc → Pratt No. 1 Mine; 2001-02-28 to 2002-04-10; source msha-controller-operator-history
- **controller_controls_operator:** Jerry L  Gardner → Bankhead-Gardner Inc; 2001-02-28 to 2002-04-10; source msha-controller-operator-history
- **operator_operates_mine:** A2M, LLC → Pratt No. 1 Mine; 2002-04-11 to 2004-02-23; source msha-controller-operator-history
- **controller_controls_mine:** Timothy P  Smith → Pratt No. 1 Mine; 2002-04-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Timothy P  Smith → A2M, LLC; 2002-04-11 to 2004-02-23; source msha-controller-operator-history
- **operator_operates_mine:** Sunrise Coal Co., LLC → Pratt No. 1 Mine; 2004-02-24 to 2013-01-21; source msha-controller-operator-history
- **controller_controls_operator:** Jimmie R  Ryan et al → Sunrise Coal Co., LLC; 2004-02-24 to 2013-01-21; source msha-controller-operator-history
- **operator_operates_mine:** North Pratt Mining, LLC → Pratt No. 1 Mine; 2013-01-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jimmie R  Ryan et al → Pratt No. 1 Mine; 2013-01-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jimmie R  Ryan et al → North Pratt Mining, LLC; 2013-01-22 to current/open; source msha-controller-operator-history