# Relationship history for MSHA mine 3003086

Current hierarchy: **Peter L  Krog → Almond Aggregates LLC → Almond Aggregates 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:** Skuba Construction Materials → Almond Aggregates LLC; 1993-08-01 to 2006-11-20; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth P  Skuba → Almond Aggregates LLC; 1993-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth P  Skuba → Skuba Construction Materials; 1993-08-01 to 2006-11-20; source msha-controller-operator-history
- **operator_operates_mine:** Karr Valley Road Associates LLC → Almond Aggregates LLC; 2006-11-21 to 2008-07-24; source msha-controller-operator-history
- **controller_controls_mine:** Robert  Wildner et al → Almond Aggregates LLC; 2006-11-21 to 2010-11-11; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Wildner et al → Karr Valley Road Associates LLC; 2006-11-21 to 2008-07-24; source msha-controller-operator-history
- **controller_controls_operator:** Keith J  Scheetz et al → Karr Valley Road Associates LLC; 2006-11-21 to 2008-07-24; source msha-controller-operator-history
- **operator_operates_mine:** Almond Aggregates LLC → Almond Aggregates LLC; 2008-07-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Peter L  Krog → Almond Aggregates LLC; 2008-07-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peter L  Krog → Almond Aggregates LLC; 2008-07-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Peter L  Krog → Almond Aggregates LLC; 2010-11-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peter L  Krog → Karr Valley Road Associates LLC; 2010-11-12 to 2008-07-24; source msha-controller-operator-history