# Relationship history for MSHA mine 2901844

Current hierarchy: **Miller Ian & Stephen Mc Taggart → Anglo-Asian Minerals Ltd → Little Granite Mine**

- 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:** Brammer Construction Company Inc → Little Granite Mine; 1980-11-01 to 1982-03-08; source msha-controller-operator-history
- **controller_controls_mine:** Brammer G H → Little Granite Mine; 1980-11-01 to 1982-03-08; source msha-controller-operator-history
- **controller_controls_operator:** Brammer G H → Brammer Construction Company Inc; 1980-11-01 to 1982-03-08; source msha-controller-operator-history
- **operator_operates_mine:** Turley Mining → Little Granite Mine; 1982-03-09 to 1982-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Turley Frank → Little Granite Mine; 1982-03-09 to 1982-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Turley Frank → Turley Mining; 1982-03-09 to 1982-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Thompson Mining Company → Little Granite Mine; 1982-04-01 to 1983-05-14; source msha-controller-operator-history
- **controller_controls_mine:** Thompson Mac → Little Granite Mine; 1982-04-01 to 1983-05-14; source msha-controller-operator-history
- **controller_controls_operator:** Thompson Mac → Thompson Mining Company; 1982-04-01 to 1983-05-14; source msha-controller-operator-history
- **operator_operates_mine:** Anglo-Asian Minerals Ltd → Little Granite Mine; 1983-05-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Miller Ian & Stephen Mc Taggart → Little Granite Mine; 1983-05-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Miller Ian & Stephen Mc Taggart → Anglo-Asian Minerals Ltd; 1983-05-15 to current/open; source msha-controller-operator-history