# Relationship history for MSHA mine 2700392

Current hierarchy: **Brenda  Murray; Byron  Seyler; Gerald  Seyler; Ivy  Dolan; Amy  Seyler → DMS Quarry, LLC → Dimensional Earth Resources**

- 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:** Gregg P  Adamovich → Dimensional Earth Resources; 1997-07-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Allstone Corp → Dimensional Earth Resources; 2004-08-18 to 2021-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Gregg P  Adamovich → Allstone Corp; 2004-08-18 to 2021-03-31; source msha-controller-operator-history
- **operator_operates_mine:** DMS Quarry, LLC → Dimensional Earth Resources; 2021-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Amy  Seyler et al → Dimensional Earth Resources; 2021-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Amy  Seyler et al → DMS Quarry, LLC; 2021-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ivy  Dolan et al → DMS Quarry, LLC; 2021-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gerald  Seyler et al → DMS Quarry, LLC; 2021-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Byron  Seyler et al → DMS Quarry, LLC; 2021-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brenda  Murray et al → DMS Quarry, LLC; 2021-04-01 to current/open; source msha-controller-operator-history