# Relationship history for MSHA mine 3503652

Current hierarchy: **Kevin  Davis; Janelle  Davis → SOUTH CHEMULT PUMICE RESOURCES LLC. → SOUTH CHEMULT PUMICE RESOURCES 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** South Chemult Pumice Inc → SOUTH CHEMULT PUMICE RESOURCES LLC; 2006-08-03 to 2022-06-12; source msha-controller-operator-history
- **controller_controls_mine:** Patrick J  Schaffner et al → SOUTH CHEMULT PUMICE RESOURCES LLC; 2006-08-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patrick J  Schaffner et al → South Chemult Pumice Inc; 2006-08-03 to 2022-06-12; source msha-controller-operator-history
- **controller_controls_operator:** Teresa  Schaffner et al → South Chemult Pumice Inc; 2006-08-03 to 2022-06-12; source msha-controller-operator-history
- **operator_operates_mine:** South Chemult Pumice Resources LLC. → SOUTH CHEMULT PUMICE RESOURCES LLC; 2022-06-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kevin  Davis et al → SOUTH CHEMULT PUMICE RESOURCES LLC; 2022-06-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kevin  Davis et al → South Chemult Pumice Resources LLC.; 2022-06-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Janelle  Davis et al → South Chemult Pumice Resources LLC.; 2022-06-13 to current/open; source msha-controller-operator-history