# Relationship history for MSHA mine 0103159

Current hierarchy: **Bill Patterson Construction; Turner Siteworks → PRECISION SAND FOLEY LLC → RUEGGS PIT**

- 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:** Layco Mining LLC → RUEGGS PIT; 1999-05-01 to 2004-04-08; source msha-controller-operator-history
- **controller_controls_mine:** Kay  Calvert et al → RUEGGS PIT; 1999-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kay  Calvert et al → Layco Mining LLC; 1999-05-01 to 2004-04-08; source msha-controller-operator-history
- **controller_controls_operator:** Larry  Calvert et al → Layco Mining LLC; 1999-05-01 to 2004-04-08; source msha-controller-operator-history
- **operator_operates_mine:** RLF Baldwin Operations LLC → RUEGGS PIT; 2004-04-09 to 2015-06-14; source msha-controller-operator-history
- **controller_controls_mine:** Resource Land Fund II LLC Et Al → RUEGGS PIT; 2004-04-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Resource Land Fund II LLC Et Al → RLF Baldwin Operations LLC; 2004-04-09 to 2015-06-14; source msha-controller-operator-history
- **controller_controls_operator:** Baldwin Holdings LLC  Et Al → RLF Baldwin Operations LLC; 2004-04-09 to 2015-06-14; source msha-controller-operator-history
- **operator_operates_mine:** Precision Sand Products LLC → RUEGGS PIT; 2015-06-15 to 2024-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Layco 10 LLC et al → RUEGGS PIT; 2015-06-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Layco 10 LLC et al → Precision Sand Products LLC; 2015-06-15 to 2024-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Alabama Capital LLC et al → Precision Sand Products LLC; 2015-06-15 to 2024-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Precision Sand Foley LLC → RUEGGS PIT; 2025-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bill Patterson Construction et al → RUEGGS PIT; 2025-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bill Patterson Construction et al → Precision Sand Foley LLC; 2025-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Turner Siteworks et al → Precision Sand Foley LLC; 2025-01-01 to current/open; source msha-controller-operator-history