# Relationship history for MSHA mine 1601474

Current hierarchy: **Beverly A  Liuzza → Amite Gravel LLC → Amite Gravel, LLC**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** D & L Rocks LLC → Amite Gravel, LLC; 2007-11-19 to 2011-03-20; source msha-controller-operator-history
- **controller_controls_mine:** Larry J  Collins  et al → Amite Gravel, LLC; 2007-11-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larry J  Collins  et al → D & L Rocks LLC; 2007-11-19 to 2011-03-20; source msha-controller-operator-history
- **controller_controls_operator:** Dobie J  Bourg  et al → D & L Rocks LLC; 2007-11-19 to 2011-03-20; source msha-controller-operator-history
- **operator_operates_mine:** Amite Gravel LLC → Amite Gravel, LLC; 2011-03-21 to 2011-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Jack N  Liuzza → Amite Gravel, LLC; 2011-03-21 to 2013-08-18; source msha-controller-operator-history
- **controller_controls_operator:** Jack N  Liuzza → Amite Gravel LLC; 2011-03-21 to 2011-10-31; source msha-controller-operator-history
- **operator_operates_mine:** American Gravel LLC → Amite Gravel, LLC; 2011-11-01 to 2013-07-15; source msha-controller-operator-history
- **controller_controls_mine:** K2J LLC et al → Amite Gravel, LLC; 2011-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** K2J LLC et al → American Gravel LLC; 2011-11-01 to 2013-07-15; source msha-controller-operator-history
- **controller_controls_operator:** Tacomac LLC et al → American Gravel LLC; 2011-11-01 to 2013-07-15; source msha-controller-operator-history
- **operator_operates_mine:** Amite Gravel LLC → Amite Gravel, LLC; 2013-07-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jack N  Liuzza → Amite Gravel LLC; 2013-07-16 to 2013-08-18; source msha-controller-operator-history
- **controller_controls_mine:** Beverly A  Liuzza → Amite Gravel, LLC; 2013-08-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Beverly A  Liuzza → Amite Gravel LLC; 2013-08-19 to 2011-10-31; source msha-controller-operator-history
- **controller_controls_operator:** Beverly A  Liuzza → Amite Gravel LLC; 2013-08-19 to current/open; source msha-controller-operator-history