# Relationship history for MSHA mine 3800683

Current hierarchy: **Scana Holding Co; Chemical Lime Co → Palmetto Lime Llc → PALMETTO LIME 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:** Palmetto Lime Llc → PALMETTO LIME LLC; 1998-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Scana Holding Co et al → PALMETTO LIME LLC; 1998-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scana Holding Co et al → Palmetto Lime Llc; 1998-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chemical Lime Co et al → Palmetto Lime Llc; 1998-05-01 to current/open; source msha-controller-operator-history