# Relationship history for MSHA mine 0801331

Current hierarchy: **Stacey Lynn  Harris; Geoffrey Todd  Harris → Bluegrass rock sand and shell llc → Bluegrass rock sand and shell 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:** Southwest Florida Shell, LLC → Bluegrass rock sand and shell llc; 2004-11-04 to 2005-05-08; source msha-controller-operator-history
- **controller_controls_mine:** Daniel  Walker et al → Bluegrass rock sand and shell llc; 2004-11-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daniel  Walker et al → Southwest Florida Shell, LLC; 2004-11-04 to 2005-05-08; source msha-controller-operator-history
- **controller_controls_operator:** James W Williams et al → Southwest Florida Shell, LLC; 2004-11-04 to 2005-05-08; source msha-controller-operator-history
- **operator_operates_mine:** A & A Materials LLC → Bluegrass rock sand and shell llc; 2005-05-09 to 2006-02-06; source msha-controller-operator-history
- **controller_controls_mine:** John G  Anderson  et al → Bluegrass rock sand and shell llc; 2005-05-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John G  Anderson  et al → A & A Materials LLC; 2005-05-09 to 2006-02-06; source msha-controller-operator-history
- **controller_controls_operator:** Ken W  Courts  et al → A & A Materials LLC; 2005-05-09 to 2006-02-06; source msha-controller-operator-history
- **operator_operates_mine:** Williams Farms Sand & Shell, Inc. → Bluegrass rock sand and shell llc; 2006-02-07 to 2013-12-16; source msha-controller-operator-history
- **controller_controls_mine:** James W  Williams → Bluegrass rock sand and shell llc; 2006-02-07 to 2022-07-02; source msha-controller-operator-history
- **controller_controls_operator:** James W  Williams → Williams Farms Sand & Shell, Inc.; 2006-02-07 to 2013-12-16; source msha-controller-operator-history
- **controller_controls_mine:** Gravitas LLC → Bluegrass rock sand and shell llc; 2011-09-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Big Island Excavating, Inc. → Bluegrass rock sand and shell llc; 2013-12-17 to 2015-08-24; source msha-controller-operator-history
- **controller_controls_operator:** Gravitas LLC → Big Island Excavating, Inc.; 2013-12-17 to 2015-08-24; source msha-controller-operator-history
- **operator_operates_mine:** ICS Materials, Inc. → Bluegrass rock sand and shell llc; 2015-08-25 to 2017-04-23; source msha-controller-operator-history
- **controller_controls_mine:** Jason  Clark → Bluegrass rock sand and shell llc; 2015-08-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason  Clark → ICS Materials, Inc.; 2015-08-25 to 2017-04-23; source msha-controller-operator-history
- **operator_operates_mine:** Bluegrass rock sand and shell llc → Bluegrass rock sand and shell llc; 2017-04-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James W  Williams → Bluegrass rock sand and shell llc; 2017-04-24 to 2022-07-02; source msha-controller-operator-history
- **controller_controls_mine:** Mark  Williams et al → Bluegrass rock sand and shell llc; 2022-07-03 to 2024-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Mark  Williams et al → Williams Farms Sand & Shell, Inc.; 2022-07-03 to 2013-12-16; source msha-controller-operator-history
- **controller_controls_operator:** Stacey L Harris et al → Williams Farms Sand & Shell, Inc.; 2022-07-03 to 2013-12-16; source msha-controller-operator-history
- **controller_controls_operator:** Geoffrey T Harris et al → Williams Farms Sand & Shell, Inc.; 2022-07-03 to 2013-12-16; source msha-controller-operator-history
- **controller_controls_operator:** Stacey L Harris et al → Bluegrass rock sand and shell llc; 2022-07-03 to 2024-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Geoffrey T Harris et al → Bluegrass rock sand and shell llc; 2022-07-03 to 2024-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Mark  Williams et al → Bluegrass rock sand and shell llc; 2022-07-03 to 2024-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Geoffrey Todd  Harris et al → Bluegrass rock sand and shell llc; 2025-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Geoffrey Todd  Harris et al → Williams Farms Sand & Shell, Inc.; 2025-01-01 to 2013-12-16; source msha-controller-operator-history
- **controller_controls_operator:** Stacey Lynn  Harris et al → Williams Farms Sand & Shell, Inc.; 2025-01-01 to 2013-12-16; source msha-controller-operator-history
- **controller_controls_operator:** Stacey Lynn  Harris et al → Bluegrass rock sand and shell llc; 2025-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Geoffrey Todd  Harris et al → Bluegrass rock sand and shell llc; 2025-01-01 to current/open; source msha-controller-operator-history