# Relationship history for MSHA mine 2602562

Current hierarchy: **ATNA Resources LTD; Barrick Gold Corporation → Pinson Mining Company → Pinson Underground**

- 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:** Ronald W  Guill → Pinson Underground; 1988-04-01 to 2011-01-27; source msha-controller-operator-history
- **operator_operates_mine:** Small Mine Development LLC → Pinson Underground; 2005-04-22 to 2008-05-26; source msha-controller-operator-history
- **controller_controls_operator:** Ronald W  Guill → Small Mine Development LLC; 2005-04-22 to 2008-05-26; source msha-controller-operator-history
- **operator_operates_mine:** Pinson Mining Company → Pinson Underground; 2008-05-27 to 2009-01-04; source msha-controller-operator-history
- **controller_controls_mine:** Barrick Gold Corp → Pinson Underground; 2008-05-27 to 2009-01-11; source msha-controller-operator-history
- **controller_controls_operator:** Barrick Gold Corp → Pinson Mining Company; 2008-05-27 to 2009-01-04; source msha-controller-operator-history
- **operator_operates_mine:** Clark Construction LLC → Pinson Underground; 2009-01-05 to 2009-01-11; source msha-controller-operator-history
- **controller_controls_mine:** Barrick Gold Corp → Pinson Underground; 2009-01-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Barrick Gold Corp → Clark Construction LLC; 2009-01-05 to 2009-01-11; source msha-controller-operator-history
- **controller_controls_mine:** Barrick Gold Corporation et al → Pinson Underground; 2009-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Barrick Gold Corporation et al → Pinson Mining Company; 2009-01-12 to 2009-01-04; source msha-controller-operator-history
- **controller_controls_operator:** ATNA Resources LTD et al → Pinson Mining Company; 2009-01-12 to 2009-01-04; source msha-controller-operator-history
- **operator_operates_mine:** Pinson Mining Company → Pinson Underground; 2009-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** ATNA Resources LTD et al → Pinson Mining Company; 2009-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Barrick Gold Corporation et al → Pinson Mining Company; 2009-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Barrick Gold Corp → Pinson Mining Company; 2009-01-12 to 2009-01-11; source msha-controller-operator-history
- **controller_controls_mine:** Keith  Jones → Pinson Underground; 2011-01-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Keith  Jones → Small Mine Development LLC; 2011-01-28 to 2008-05-26; source msha-controller-operator-history