# Relationship history for MSHA mine 4609337

Current hierarchy: **Virginia Conservation Legacy Fund (VCLF) → ERP Environmental Fund, Inc. → Peerless No. 1 Deep Mine**

- 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:** Cambrian Mining PLC → Peerless No. 1 Deep Mine; 2005-06-10 to 2011-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Atlantic Leaseco, LLC → Peerless No. 1 Deep Mine; 2009-04-27 to 2016-04-10; source msha-controller-operator-history
- **controller_controls_operator:** Cambrian Mining PLC → Atlantic Leaseco, LLC; 2009-04-27 to 2011-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Walter Energy Incorporated → Peerless No. 1 Deep Mine; 2011-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Walter Energy Incorporated → Atlantic Leaseco, LLC; 2011-04-01 to 2016-04-10; source msha-controller-operator-history
- **controller_controls_mine:** Virginia Conservation Legacy Fund (VCLF) → Peerless No. 1 Deep Mine; 2015-10-28 to 2017-01-25; source msha-controller-operator-history
- **operator_operates_mine:** ERP Environmental Fund, Inc. → Peerless No. 1 Deep Mine; 2016-04-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Virginia Conservation Legacy Fund (VCLF) → ERP Environmental Fund, Inc.; 2016-04-11 to 2017-01-25; source msha-controller-operator-history
- **controller_controls_mine:** Kissito Healthcare Inc → Peerless No. 1 Deep Mine; 2017-01-26 to 2018-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Kissito Healthcare Inc → ERP Environmental Fund, Inc.; 2017-01-26 to 2018-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Virginia Conservation Legacy Fund (VCLF) → Peerless No. 1 Deep Mine; 2019-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Virginia Conservation Legacy Fund (VCLF) → ERP Environmental Fund, Inc.; 2019-01-01 to current/open; source msha-controller-operator-history