# Relationship history for MSHA mine 0801288

Current hierarchy: **Headwater Holdings LLC; Pennstar LLC → RLF Baldwin Operations II LLC → Clark Sand**

- 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

- **controller_controls_mine:** C R  Campbell Sr et al → Clark Sand; 1990-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Connie  Clark  et al → Clark Sand; 1991-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Sand & Dirt, Inc. → Clark Sand; 2000-09-01 to 2005-10-11; source msha-controller-operator-history
- **controller_controls_operator:** C R  Campbell Sr et al → Sand & Dirt, Inc.; 2000-09-01 to 2005-10-11; source msha-controller-operator-history
- **operator_operates_mine:** Clark Site Contractors, Inc. → Clark Sand; 2005-10-12 to 2006-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Connie  Clark  et al → Clark Site Contractors, Inc.; 2005-10-12 to 2006-06-30; source msha-controller-operator-history
- **controller_controls_operator:** John R  Clark  et al → Clark Site Contractors, Inc.; 2005-10-12 to 2006-06-30; source msha-controller-operator-history
- **operator_operates_mine:** RLF Baldwin Operations II LLC → Clark Sand; 2006-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Baldwin Holdings LLC  et al → Clark Sand; 2006-07-01 to 2023-01-23; source msha-controller-operator-history
- **controller_controls_operator:** Baldwin Holdings LLC  et al → RLF Baldwin Operations II LLC; 2006-07-01 to 2023-01-23; source msha-controller-operator-history
- **controller_controls_operator:** Resource Land Fund III LLC et al → RLF Baldwin Operations II LLC; 2006-07-01 to 2023-01-23; source msha-controller-operator-history
- **controller_controls_mine:** Headwater Holdings LLC et al → Clark Sand; 2023-01-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Headwater Holdings LLC et al → RLF Baldwin Operations II LLC; 2023-01-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pennstar LLC et al → RLF Baldwin Operations II LLC; 2023-01-24 to current/open; source msha-controller-operator-history