# Relationship history for MSHA mine 4003558

Current hierarchy: **Sandra  Penland; Jarrod  Penland → Seven Springs Stone → Grays Creek Fieldstone**

- 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:** Manuel  Montes → Grays Creek Fieldstone; 2013-01-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Montes Stone Products, LLC → Grays Creek Fieldstone; 2021-07-26 to 2022-11-10; source msha-controller-operator-history
- **controller_controls_operator:** Manuel  Montes → Montes Stone Products, LLC; 2021-07-26 to 2022-11-10; source msha-controller-operator-history
- **controller_controls_mine:** Jarrod  Penland et al → Grays Creek Fieldstone; 2022-10-11 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Seven Springs Stone → Grays Creek Fieldstone; 2022-11-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jarrod  Penland et al → Seven Springs Stone; 2022-11-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sandra  Penland et al → Seven Springs Stone; 2022-11-11 to current/open; source msha-controller-operator-history