# Relationship history for MSHA mine 4606019

Current hierarchy: **Rag Aktiengesellschaft → Kingston Resources Inc → Belt Tunnel 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Lawson W  Hamilton Jr → Belt Tunnel Mine; 1974-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hansford Coal Company → Belt Tunnel Mine; 1979-06-01 to 1989-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Lawson W  Hamilton Jr → Hansford Coal Company; 1979-06-01 to 1989-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Catenary Coal Company → Belt Tunnel Mine; 1989-08-01 to 1995-01-22; source msha-controller-operator-history
- **controller_controls_mine:** Ashland Inc et al → Belt Tunnel Mine; 1989-08-01 to 2005-12-30; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc et al → Catenary Coal Company; 1989-08-01 to 1995-01-22; source msha-controller-operator-history
- **operator_operates_mine:** Mossy Eagle Limited Liability Company → Belt Tunnel Mine; 1995-01-23 to 1998-01-29; source msha-controller-operator-history
- **controller_controls_mine:** James O  Bunn  et al → Belt Tunnel Mine; 1995-01-23 to 1998-01-29; source msha-controller-operator-history
- **controller_controls_operator:** James O  Bunn  et al → Mossy Eagle Limited Liability Company; 1995-01-23 to 1998-01-29; source msha-controller-operator-history
- **operator_operates_mine:** Kingston Resources Inc → Belt Tunnel Mine; 1998-01-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rag Aktiengesellschaft → Belt Tunnel Mine; 1998-01-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rag Aktiengesellschaft → Kingston Resources Inc; 1998-01-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Magnum Coal Company → Belt Tunnel Mine; 2005-12-31 to 2008-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Magnum Coal Company → Catenary Coal Company; 2005-12-31 to 1995-01-22; source msha-controller-operator-history
- **controller_controls_mine:** Patriot Coal Corporation → Belt Tunnel Mine; 2008-07-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patriot Coal Corporation → Catenary Coal Company; 2008-07-23 to 1995-01-22; source msha-controller-operator-history