# Relationship history for MSHA mine 1001937

Current hierarchy: **Kenneth  Bateman; Howard  Bateman → Bateman Bros. Construction Inc → Bateman Plant 2**

- 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:** L C Contractors Llc → Bateman Plant 2; 1998-03-01 to 1998-07-16; source msha-controller-operator-history
- **controller_controls_mine:** Craig  Nielsen et al → Bateman Plant 2; 1998-03-01 to 1998-07-16; source msha-controller-operator-history
- **controller_controls_operator:** Craig  Nielsen et al → L C Contractors Llc; 1998-03-01 to 1998-07-16; source msha-controller-operator-history
- **operator_operates_mine:** D Blosch Crushing Inc → Bateman Plant 2; 1998-07-17 to 2015-02-28; source msha-controller-operator-history
- **controller_controls_mine:** David K  Blosch → Bateman Plant 2; 1998-07-17 to 2009-06-30; source msha-controller-operator-history
- **controller_controls_operator:** David K  Blosch → D Blosch Crushing Inc; 1998-07-17 to 2009-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Harold E  Smith → Bateman Plant 2; 2009-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Harold E  Smith → D Blosch Crushing Inc; 2009-07-01 to 2015-02-28; source msha-controller-operator-history
- **operator_operates_mine:** Bateman Bros. Construction Inc → Bateman Plant 2; 2015-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Howard  Bateman et al → Bateman Plant 2; 2015-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Howard  Bateman et al → Bateman Bros. Construction Inc; 2015-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth  Bateman et al → Bateman Bros. Construction Inc; 2015-03-01 to current/open; source msha-controller-operator-history