# KMM Burnsville Quarry - **MSHA mine ID:** 2100054 - **Status:** Active - **Type / commodity:** Surface / Crushed, Broken Limestone NEC - **Location:** Dakota, MN - **Operator:** Kraemer Mining & Materials, Inc. - **Controller:** Scott Peterson; Kerin Peterson - **Public source rows linked:** 794 - **Source coverage:** 15 / 20 - **Generated:** 2026-10-17T06:17:15.228Z ## Current entity hierarchy **Scott Peterson; Kerin Peterson (0194303) → Kraemer Mining & Materials, Inc. (0073384) → KMM Burnsville Quarry (2100054)** Current identity source: `msha-mines`. This is a current snapshot, not a historical claim. ## Controller and operator valid-time history - **Scott Peterson et al → Edward Kraemer & Sons Inc:** 1950-01-01 through 2006-06-15; derived from co-tenure at mine 2100054; source `msha-controller-operator-history`. - **Thomas D Kraemer et al → Edward Kraemer & Sons Inc:** 1950-01-01 through 2006-06-15; derived from co-tenure at mine 2100054; source `msha-controller-operator-history`. - **Scott Peterson et al → Kraemer Mining & Materials, Inc.:** 2006-06-16 through 2024-06-08; derived from co-tenure at mine 2100054; source `msha-controller-operator-history`. - **Thomas D Kraemer et al → Kraemer Mining & Materials, Inc.:** 2006-06-16 through 2024-06-08; derived from co-tenure at mine 2100054; source `msha-controller-operator-history`. - **Scott Peterson et al → Kraemer Mining & Materials, Inc.:** 2024-06-09 through current/open; derived from co-tenure at mine 2100054; source `msha-controller-operator-history`. - **Kerin Peterson et al → Kraemer Mining & Materials, Inc.:** 2024-06-09 through current/open; derived from co-tenure at mine 2100054; source `msha-controller-operator-history`. - History rows: 6 - Typed edges: 11 - Interval anomalies: 0 - Valid-time bounds: inclusive; date granularity; null end means open-ended in the upstream history row; not independent proof of present control. - Transaction-time observation: 2026-10-17T05:35:58.500035+00:00. ## Assessment signals 1. **SAFETY — 4 since 2021:** Accidents and injuries 38 historical accident/injury rows; 0 coded fatalities and 145 lost days across the published record. 2. **COMPLIANCE — 11 since 2021:** Violations and penalties 95 violation rows across the full record; 14 carry an S&S flag and $10,999 appears in current assessed amounts. 3. **HEALTH — 23 samples:** Occupational health samples 23 personal. 1 personal-sample rows have a published C/E ratio above 1; 0 noise rows have an action-level or PEL dose above 100%. These are separate measures, not a silica exceedance count. Silica results and sample status are shown separately. 4. **PRODUCTION — 0 tons:** Quarterly production and employment 26K employee hours and 45 summed average employees across reported subunits in the latest published quarter. 5. **LEGAL — 13 linked rows:** Contests, conferences and decisions 4 contested-violation rows, 4 civil-penalty docket/decision rows, and 5 conference records linked by issuance number. 6. **CONTRACTORS — 5 linked entities:** Contractors Contractors are linked through this mine’s violation or accident records. Their production and hours cover all their operations, so they are not included in this mine’s totals. 7. **INSPECTIONS — 12 since 2021:** Inspections 70 inspection events and 1K published inspection hours across the historical record. ## EIA annual operating context No matched record in the 2024 EIA coal-public workbook. This may be inapplicable for a non-coal operation. ## Recent Title 30 crosswalk Snapshot current through 2026-08-19. - **30 CFR 56.4101 — Warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101 - **30 CFR 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201 - **30 CFR 45.4 — Independent contractor register.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-45/section-45.4 - **30 CFR 46.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9 - **30 CFR 56.12030 — Correction of dangerous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12030 - **30 CFR 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107 - **30 CFR 56.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112 - **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30 - **30 CFR 56.12004 — Electrical conductors.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004 - **30 CFR 56.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003 - **30 CFR 56.14109 — Unguarded conveyors with adjacent travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14109 ## Source coverage - **Accident, Injuries, and Illnesses:** 38 rows; 2000-04-26 through 2024-12-02; source ID `msha-accidents` - **Addresses of Record:** 1 rows; 2000-03-06 through 2000-03-06; source ID `msha-addresses` - **Assessed Violations:** 95 rows; 2000-11-21 through 2026-03-12; source ID `msha-assessed-violations` - **Civil Penalty Dockets and Decisions:** 4 rows; 2014-06-10 through 2017-05-31; source ID `msha-civil-penalty-dockets-decisions` - **Conferences:** 5 rows; 2013-07-01 through 2019-03-22; source ID `msha-conferences` - **Contested Violations:** 4 rows; 2013-05-14 through 2016-09-26; source ID `msha-contested-violations` - **Contractor Employment and Production — Quarterly:** 284 rows; unknown through unknown; source ID `msha-contractor-production-quarterly` - **Contractor Employment and Production — Yearly:** 51 rows; unknown through unknown; source ID `msha-contractor-production-yearly` - **Controller and Operator History:** 6 rows; 1950-01-01 through 2006-06-16; source ID `msha-controller-operator-history` - **Inspections:** 70 rows; 2000-03-01 through 2026-03-11; source ID `msha-inspections` - **Mine Employment and Production — Quarterly:** 36 rows; unknown through unknown; source ID `msha-mine-production-quarterly` - **Mine Employment and Production — Yearly:** 81 rows; unknown through unknown; source ID `msha-mine-production-yearly` - **Mines:** 1 rows; unknown through unknown; source ID `msha-mines` - **Metal and Nonmetal Personal Health Samples:** 23 rows; 2004-07-14 through 2026-01-21; source ID `msha-personal-health-samples` - **Violations:** 95 rows; 2000-11-21 through 2026-03-12; source ID `msha-violations` ## Caveats - This is public-record decision support, not legal advice or an official MSHA record. - Missing data can indicate no event, publication delay, an unresolved identity, or inapplicability. - Contractor production data is entity-level and is not attributed to this mine. ## Alternate representations - HTML: `/mines/kmm-burnsville-quarry-2100054` - JSON: `/api/v1/mines/kmm-burnsville-quarry-2100054` - Silica records, units, sample status and quarterly means: `/api/v1/mines/2100054/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows) - Relationship JSON: `/api/v1/mines/2100054/relationships` - MCP resource: `mine://2100054/assessment` - Complete Title 30 corpus: `/data/title30-sections.json`