# Relationship history for MSHA mine 3610138

Current hierarchy: **Blaschak Holding Corp → Blaschak Anthracite Corp. → Eckley Operation**

- 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:** Blaschak Holding Corp → Eckley Operation; 1981-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John B  Haines IV et al → Eckley Operation; 2002-04-10 to 2002-07-15; source msha-controller-operator-history
- **controller_controls_mine:** Haines & Kibblehouse Inc et al → Eckley Operation; 2002-07-16 to 2012-06-28; source msha-controller-operator-history
- **controller_controls_mine:** John R  Kibblehouse et al → Eckley Operation; 2012-06-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hazleton Materials, LLC → Eckley Operation; 2015-05-20 to 2023-01-03; source msha-controller-operator-history
- **controller_controls_operator:** Haines & Kibblehouse Inc et al → Hazleton Materials, LLC; 2015-05-20 to 2012-06-28; source msha-controller-operator-history
- **controller_controls_operator:** No 1 Contracting Group et al → Hazleton Materials, LLC; 2015-05-20 to 2012-06-28; source msha-controller-operator-history
- **controller_controls_operator:** John B  Haines IV et al → Hazleton Materials, LLC; 2015-05-20 to 2002-07-15; source msha-controller-operator-history
- **controller_controls_operator:** John R  Kibblehouse et al → Hazleton Materials, LLC; 2015-05-20 to 2023-01-03; source msha-controller-operator-history
- **controller_controls_operator:** John B  Haines IV et al → Hazleton Materials, LLC; 2015-05-20 to 2023-01-03; source msha-controller-operator-history
- **operator_operates_mine:** Blaschak Anthracite Corp. → Eckley Operation; 2023-01-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Blaschak Holding Corp → Blaschak Anthracite Corp.; 2023-01-04 to current/open; source msha-controller-operator-history