# Relationship history for MSHA mine 3601919

Current hierarchy: **Robert  Rivkin → Rausch Creek Coal Preparation Lykens LLC → Rausch Creek Coal Preparation Lykens 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: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Meadowbrook Coal Co Inc → Rausch Creek Coal Preparation Lykens LLC; 1950-01-01 to 2013-05-16; source msha-controller-operator-history
- **controller_controls_mine:** Kimmel Leslie R → Rausch Creek Coal Preparation Lykens LLC; 1950-01-01 to 2003-10-05; source msha-controller-operator-history
- **controller_controls_operator:** Kimmel Leslie R → Meadowbrook Coal Co Inc; 1950-01-01 to 2003-10-05; source msha-controller-operator-history
- **controller_controls_mine:** Scott B  Kimmel → Rausch Creek Coal Preparation Lykens LLC; 2003-10-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott B  Kimmel → Meadowbrook Coal Co Inc; 2003-10-06 to 2013-05-16; source msha-controller-operator-history
- **operator_operates_mine:** RR Coal Inc → Rausch Creek Coal Preparation Lykens LLC; 2013-05-17 to 2015-09-13; source msha-controller-operator-history
- **controller_controls_mine:** Ronald  White et al → Rausch Creek Coal Preparation Lykens LLC; 2013-05-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ronald  White et al → RR Coal Inc; 2013-05-17 to 2015-09-13; source msha-controller-operator-history
- **controller_controls_operator:** Russell  White et al → RR Coal Inc; 2013-05-17 to 2015-09-13; source msha-controller-operator-history
- **operator_operates_mine:** Meadowbrook Coal Co. Inc. → Rausch Creek Coal Preparation Lykens LLC; 2015-09-14 to 2019-01-06; source msha-controller-operator-history
- **controller_controls_operator:** Scott B  Kimmel → Meadowbrook Coal Co. Inc.; 2015-09-14 to 2019-01-06; source msha-controller-operator-history
- **controller_controls_operator:** Kimmel Leslie R → Meadowbrook Coal Co. Inc.; 2015-09-14 to 2003-10-05; source msha-controller-operator-history
- **operator_operates_mine:** Rausch Creek Coal Preparation Lykens LLC → Rausch Creek Coal Preparation Lykens LLC; 2019-01-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert  Rivkin → Rausch Creek Coal Preparation Lykens LLC; 2019-01-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Rivkin → Rausch Creek Coal Preparation Lykens LLC; 2019-01-07 to current/open; source msha-controller-operator-history