# Relationship history for MSHA mine 1500040

Current hierarchy: **Eagle Materials Inc → Battletown Materials LLC → BATTLETOWN QUARRY**

- 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:** Flintkote Company → BATTLETOWN QUARRY; 1950-01-01 to 1980-04-06; source msha-controller-operator-history
- **controller_controls_mine:** Flintkote Company → BATTLETOWN QUARRY; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Flintkote Company → Flintkote Company; 1950-01-01 to 1980-04-06; source msha-controller-operator-history
- **operator_operates_mine:** Flintkote Cement Company → BATTLETOWN QUARRY; 1980-04-07 to 1980-11-30; source msha-controller-operator-history
- **controller_controls_mine:** Cimenteries Cbr Cementbedrijven → BATTLETOWN QUARRY; 1980-04-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cimenteries Cbr Cementbedrijven → Flintkote Cement Company; 1980-04-07 to 1980-11-30; source msha-controller-operator-history
- **operator_operates_mine:** Kosmos Cement Company Inc → BATTLETOWN QUARRY; 1980-12-01 to 1988-06-26; source msha-controller-operator-history
- **controller_controls_mine:** Moore Mc Cormack Resources Inc → BATTLETOWN QUARRY; 1980-12-01 to 1988-06-26; source msha-controller-operator-history
- **controller_controls_operator:** Moore Mc Cormack Resources Inc → Kosmos Cement Company Inc; 1980-12-01 to 1988-06-26; source msha-controller-operator-history
- **operator_operates_mine:** Kosmos Cement Company → BATTLETOWN QUARRY; 1988-06-27 to 2003-02-10; source msha-controller-operator-history
- **controller_controls_mine:** Southdown Inc → BATTLETOWN QUARRY; 1988-06-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Southdown Inc → Kosmos Cement Company; 1988-06-27 to 2003-02-10; source msha-controller-operator-history
- **controller_controls_mine:** Cemex S A → BATTLETOWN QUARRY; 1994-09-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cemex → BATTLETOWN QUARRY; 2003-02-11 to 2013-06-28; source msha-controller-operator-history
- **controller_controls_operator:** Cemex S A → Cemex; 2003-02-11 to 2013-06-28; source msha-controller-operator-history
- **operator_operates_mine:** Haydon Materials Battletown, LLC → BATTLETOWN QUARRY; 2013-06-29 to 2023-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Haydon Holdings LLC → BATTLETOWN QUARRY; 2013-06-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Haydon Holdings LLC → Haydon Materials Battletown, LLC; 2013-06-29 to 2023-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Battletown Materials LLC → BATTLETOWN QUARRY; 2023-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Eagle Materials Inc → BATTLETOWN QUARRY; 2023-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eagle Materials Inc → Battletown Materials LLC; 2023-04-01 to current/open; source msha-controller-operator-history