# Relationship history for MSHA mine 0103290

Current hierarchy: **Tom  Reed → Reed Sand and Gravel → Reed Pit #5101**

- 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:** Roy D  Partin → Reed Pit #5101; 1991-07-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Marc B  Tyson et al → Reed Pit #5101; 2001-06-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Roy Partin Sand & Gravel Co., Inc. → Reed Pit #5101; 2004-04-21 to 2006-07-16; source msha-controller-operator-history
- **controller_controls_operator:** Roy D  Partin → Roy Partin Sand & Gravel Co., Inc.; 2004-04-21 to 2006-07-16; source msha-controller-operator-history
- **operator_operates_mine:** Southeastern Sand & Gravel, LLC → Reed Pit #5101; 2006-07-17 to 2011-12-30; source msha-controller-operator-history
- **controller_controls_operator:** Marc B  Tyson et al → Southeastern Sand & Gravel, LLC; 2006-07-17 to 2011-12-30; source msha-controller-operator-history
- **controller_controls_operator:** Paul W  Bryant Jr et al → Southeastern Sand & Gravel, LLC; 2006-07-17 to 2011-12-30; source msha-controller-operator-history
- **operator_operates_mine:** Ready Mix USA, LLC → Reed Pit #5101; 2011-12-31 to 2015-03-03; source msha-controller-operator-history
- **controller_controls_mine:** Cemex S A → Reed Pit #5101; 2011-12-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cemex S A → Ready Mix USA, LLC; 2011-12-31 to 2015-03-03; source msha-controller-operator-history
- **operator_operates_mine:** Reed Sand and Gravel → Reed Pit #5101; 2015-03-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Tom  Reed → Reed Pit #5101; 2015-03-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tom  Reed → Reed Sand and Gravel; 2015-03-04 to current/open; source msha-controller-operator-history