# Relationship history for MSHA mine 4605695

Current hierarchy: **Damian  Caldwell; Michael  Church → Triple 7 Commodities, Inc. → Totten Ridge Surface Mine No.1**

- 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:** Dyna Coal Inc → Totten Ridge Surface Mine No.1; 1977-12-01 to 2012-02-27; source msha-controller-operator-history
- **controller_controls_mine:** Sundquist Arnold → Totten Ridge Surface Mine No.1; 1977-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sundquist Arnold → Dyna Coal Inc; 1977-12-01 to 2012-02-27; source msha-controller-operator-history
- **controller_controls_mine:** Kenes P  Roberts → Totten Ridge Surface Mine No.1; 2005-06-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Wellston Coal, LLC → Totten Ridge Surface Mine No.1; 2012-02-28 to 2013-09-11; source msha-controller-operator-history
- **controller_controls_mine:** Ronald  Phillips et al → Totten Ridge Surface Mine No.1; 2012-02-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ronald  Phillips et al → Wellston Coal, LLC; 2012-02-28 to 2013-09-11; source msha-controller-operator-history
- **controller_controls_operator:** Anil  Dang et al → Wellston Coal, LLC; 2012-02-28 to 2013-09-11; source msha-controller-operator-history
- **operator_operates_mine:** AWC Operations, Inc. → Totten Ridge Surface Mine No.1; 2013-09-12 to 2014-03-24; source msha-controller-operator-history
- **controller_controls_mine:** Woodrow  Church → Totten Ridge Surface Mine No.1; 2013-09-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Woodrow  Church → AWC Operations, Inc.; 2013-09-12 to 2014-03-24; source msha-controller-operator-history
- **operator_operates_mine:** Southeastern Coal, Inc. → Totten Ridge Surface Mine No.1; 2014-03-25 to 2015-01-21; source msha-controller-operator-history
- **controller_controls_operator:** Kenes P  Roberts → Southeastern Coal, Inc.; 2014-03-25 to 2015-01-21; source msha-controller-operator-history
- **operator_operates_mine:** Wellston Coal, LLC → Totten Ridge Surface Mine No.1; 2015-01-22 to 2017-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Anil  Dang et al → Wellston Coal, LLC; 2015-01-22 to 2017-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Ronald  Phillips et al → Wellston Coal, LLC; 2015-01-22 to 2017-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Triple 7 Commodities, Inc. → Totten Ridge Surface Mine No.1; 2017-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Damian  Caldwell et al → Totten Ridge Surface Mine No.1; 2017-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Damian  Caldwell et al → Triple 7 Commodities, Inc.; 2017-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Church et al → Triple 7 Commodities, Inc.; 2017-06-01 to current/open; source msha-controller-operator-history