# Relationship history for MSHA mine 4703754

Current hierarchy: **Earth Inc; Chopper Farms LLC → Hansen Sand Products LLC → HANSEN SAND PRODUCTS, 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Hansen Sand Products LLC → HANSEN SAND PRODUCTS, LLC.; 2015-05-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Sandy Mind LLC et al → HANSEN SAND PRODUCTS, LLC.; 2015-05-11 to 2022-05-11; source msha-controller-operator-history
- **controller_controls_operator:** Sandy Mind LLC et al → Hansen Sand Products LLC; 2015-05-11 to 2022-05-11; source msha-controller-operator-history
- **controller_controls_operator:** Earth Inc et al → Hansen Sand Products LLC; 2015-05-11 to 2022-05-11; source msha-controller-operator-history
- **controller_controls_operator:** Chopper Farms LLC et al → Hansen Sand Products LLC; 2015-05-11 to 2022-05-11; source msha-controller-operator-history
- **controller_controls_mine:** Earth Inc et al → HANSEN SAND PRODUCTS, LLC.; 2022-05-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Earth Inc et al → Hansen Sand Products LLC; 2022-05-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chopper Farms LLC et al → Hansen Sand Products LLC; 2022-05-12 to current/open; source msha-controller-operator-history