# Relationship history for MSHA mine 0700108

Current hierarchy: **Chaney Enterprises LP → Sustainable Land Use, LLC → SEAFORD-DE SAND & GRAVEL**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **controller_controls_mine:** Chaney Enterprises LP → SEAFORD-DE SAND & GRAVEL; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Sussex Sand & Gravel → SEAFORD-DE SAND & GRAVEL; 2006-09-21 to 2017-04-17; source msha-controller-operator-history
- **controller_controls_mine:** Edward J  Kaye → SEAFORD-DE SAND & GRAVEL; 2006-09-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Edward J  Kaye → Sussex Sand & Gravel; 2006-09-21 to 2017-04-17; source msha-controller-operator-history
- **operator_operates_mine:** Sussex Sand & Gravel → SEAFORD-DE SAND & GRAVEL; 2017-04-18 to 2024-03-24; source msha-controller-operator-history
- **controller_controls_operator:** Chaney Enterprises LP → Sussex Sand & Gravel; 2017-04-18 to 2024-03-24; source msha-controller-operator-history
- **operator_operates_mine:** Sustainable Land Use, LLC → SEAFORD-DE SAND & GRAVEL; 2024-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Chaney Enterprises LP → SEAFORD-DE SAND & GRAVEL; 2024-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chaney Enterprises LP → Sustainable Land Use, LLC; 2024-03-25 to current/open; source msha-controller-operator-history