# Relationship history for MSHA mine 0600697

Current hierarchy: **Francis  Bove; Albert  Bove → BOVE BROTHERS, LLC → PIT 1**

- 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:** Lombardi Gravel & Excavation LLC → PIT 1; 2001-11-28 to 2022-02-27; source msha-controller-operator-history
- **controller_controls_mine:** John  Lombardi Jr → PIT 1; 2001-11-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John  Lombardi Jr → Lombardi Gravel & Excavation LLC; 2001-11-28 to 2022-02-27; source msha-controller-operator-history
- **operator_operates_mine:** Bove Brothers, LLC → PIT 1; 2022-02-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Francis  Bove et al → PIT 1; 2022-02-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Francis  Bove et al → Bove Brothers, LLC; 2022-02-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Albert  Bove et al → Bove Brothers, LLC; 2022-02-28 to current/open; source msha-controller-operator-history