# Relationship history for MSHA mine 1601302

Current hierarchy: **John H  Waters → Cimbar Resources, Inc → New Iberia Plant**

- 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:** T E  Eisenman → New Iberia Plant; 1991-07-01 to 1997-09-17; source msha-controller-operator-history
- **operator_operates_mine:** Goldrus Minerals L L C → New Iberia Plant; 1996-06-01 to 1997-04-29; source msha-controller-operator-history
- **controller_controls_mine:** Goldrus Drilling → New Iberia Plant; 1996-06-01 to 1997-04-29; source msha-controller-operator-history
- **controller_controls_operator:** Goldrus Drilling → Goldrus Minerals L L C; 1996-06-01 to 1997-04-29; source msha-controller-operator-history
- **operator_operates_mine:** Excalibar Minerals Inc → New Iberia Plant; 1997-04-30 to 1997-09-17; source msha-controller-operator-history
- **controller_controls_operator:** T E  Eisenman → Excalibar Minerals Inc; 1997-04-30 to 1997-09-17; source msha-controller-operator-history
- **operator_operates_mine:** Excalibar Minerals Of Louisiana LLC → New Iberia Plant; 1997-09-18 to 2007-04-16; source msha-controller-operator-history
- **controller_controls_mine:** Newpark Resources Inc → New Iberia Plant; 1997-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Newpark Resources Inc → Excalibar Minerals Of Louisiana LLC; 1997-09-18 to 2007-04-16; source msha-controller-operator-history
- **operator_operates_mine:** Excalibar Minerals LLC → New Iberia Plant; 2007-04-17 to 2022-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Newpark Resources Inc → Excalibar Minerals LLC; 2007-04-17 to 2022-11-30; source msha-controller-operator-history
- **controller_controls_mine:** John H  Waters → New Iberia Plant; 2022-09-27 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cimbar Resources, Inc → New Iberia Plant; 2022-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John H  Waters → Cimbar Resources, Inc; 2022-12-01 to current/open; source msha-controller-operator-history