# Relationship history for MSHA mine 0103301

Current hierarchy: **Householder LTD; Lakeridge Energy USA LLC → D & E Mining LLC → Pit Number 2**

- 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:** D & E Mining LLC → Pit Number 2; 2004-09-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rickey  Byrum  et al → Pit Number 2; 2004-09-22 to 2012-08-28; source msha-controller-operator-history
- **controller_controls_operator:** Rickey  Byrum  et al → D & E Mining LLC; 2004-09-22 to 2012-08-28; source msha-controller-operator-history
- **controller_controls_operator:** Eugene  Byrum  et al → D & E Mining LLC; 2004-09-22 to 2012-08-28; source msha-controller-operator-history
- **controller_controls_mine:** Householder LTD et al → Pit Number 2; 2012-08-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Householder LTD et al → D & E Mining LLC; 2012-08-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lakeridge Energy USA LLC et al → D & E Mining LLC; 2012-08-29 to current/open; source msha-controller-operator-history