# Relationship history for MSHA mine 3000003

Current hierarchy: **Josh  Axtell → DOUBLE AXE STONE COMPANY LLC → COLE RD 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:** Heldeberg Bluestone Of Unadilla Inc → COLE RD QUARRY; 1950-01-01 to 1999-11-30; source msha-controller-operator-history
- **controller_controls_mine:** Paul F  Giebitz et al → COLE RD QUARRY; 1950-01-01 to 1999-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Paul F  Giebitz et al → Heldeberg Bluestone Of Unadilla Inc; 1950-01-01 to 1999-11-30; source msha-controller-operator-history
- **operator_operates_mine:** American Bluestone LLC → COLE RD QUARRY; 1999-12-01 to 2008-04-06; source msha-controller-operator-history
- **controller_controls_mine:** Darrenkamp John & Skip Mays → COLE RD QUARRY; 1999-12-01 to 2004-04-27; source msha-controller-operator-history
- **controller_controls_operator:** Darrenkamp John & Skip Mays → American Bluestone LLC; 1999-12-01 to 2004-04-27; source msha-controller-operator-history
- **controller_controls_mine:** Doug E  Brown → COLE RD QUARRY; 2004-04-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Doug E  Brown → American Bluestone LLC; 2004-04-28 to 2008-04-06; source msha-controller-operator-history
- **operator_operates_mine:** American Bluestone LLC → COLE RD QUARRY; 2008-04-07 to 2023-08-27; source msha-controller-operator-history
- **controller_controls_mine:** Robert M  Mc Duffey → COLE RD QUARRY; 2008-04-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert M  Mc Duffey → American Bluestone LLC; 2008-04-07 to 2023-08-27; source msha-controller-operator-history
- **controller_controls_mine:** Josh  Axtell → COLE RD QUARRY; 2021-03-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Double Axe Stone Company LLC → COLE RD QUARRY; 2023-08-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Josh  Axtell → Double Axe Stone Company LLC; 2023-08-28 to current/open; source msha-controller-operator-history