# Relationship history for MSHA mine 4102313

Current hierarchy: **Donald J  Denton → Cooke County Crushed Stone Inc → Cooke County Crushed Stone**

- 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:** Erlandson Construction Company Inc → Cooke County Crushed Stone; 1950-01-01 to 1995-07-12; source msha-controller-operator-history
- **controller_controls_mine:** Arvid  Erlandson → Cooke County Crushed Stone; 1950-01-01 to 1995-07-12; source msha-controller-operator-history
- **controller_controls_operator:** Arvid  Erlandson → Erlandson Construction Company Inc; 1950-01-01 to 1995-07-12; source msha-controller-operator-history
- **operator_operates_mine:** Erlandson Construction Company Inc → Cooke County Crushed Stone; 1995-07-13 to 2006-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Ricky  Erlandson → Cooke County Crushed Stone; 1995-07-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ricky  Erlandson → Erlandson Construction Company Inc; 1995-07-13 to 2006-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Stallion Oilfield Construction LLC → Cooke County Crushed Stone; 2006-11-01 to 2011-01-30; source msha-controller-operator-history
- **controller_controls_mine:** Stallion Oilfield Services Ltd → Cooke County Crushed Stone; 2006-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stallion Oilfield Services Ltd → Stallion Oilfield Construction LLC; 2006-11-01 to 2011-01-30; source msha-controller-operator-history
- **operator_operates_mine:** Cooke County Crushed Stone Inc → Cooke County Crushed Stone; 2011-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Donald J  Denton et al → Cooke County Crushed Stone; 2011-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donald J  Denton et al → Cooke County Crushed Stone Inc; 2011-01-31 to current/open; source msha-controller-operator-history