# Relationship history for MSHA mine 3304315

Current hierarchy: **William R  Schmeltz → Precision Aggregates II LLC → PRECISION AGGREGATES II LLC**

- 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:** Precision Aggregates Iii Llc → PRECISION AGGREGATES II LLC; 1993-12-01 to 2012-06-03; source msha-controller-operator-history
- **controller_controls_mine:** Randolph  Schmeltz Sr → PRECISION AGGREGATES II LLC; 1993-12-01 to 2021-04-23; source msha-controller-operator-history
- **controller_controls_operator:** Randolph  Schmeltz Sr → Precision Aggregates Iii Llc; 1993-12-01 to 2012-06-03; source msha-controller-operator-history
- **operator_operates_mine:** Precision Aggregates II LLC → PRECISION AGGREGATES II LLC; 2012-06-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Randolph  Schmeltz Sr → PRECISION AGGREGATES II LLC; 2012-06-04 to 2021-04-23; source msha-controller-operator-history
- **controller_controls_operator:** Randolph  Schmeltz Sr → Precision Aggregates II LLC; 2012-06-04 to 2021-04-23; source msha-controller-operator-history
- **controller_controls_mine:** William R  Schmeltz → PRECISION AGGREGATES II LLC; 2021-04-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William R  Schmeltz → Precision Aggregates II LLC; 2021-04-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Randolph G  Schmeltz Jr → PRECISION AGGREGATES II LLC; 2021-04-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Randolph G  Schmeltz Jr → Precision Aggregates Iii Llc; 2021-04-24 to 2012-06-03; source msha-controller-operator-history