{"0100003":{"n":"O'Neal Quarry & Mill","a":"","v":"Shelby County","s":"AL","z":"","kv":[["MSHA mine ID","0100003"],["Status","Active — since Jan 22, 1979"],["Mine type","Surface"],["Primary commodity","Lime"],["Secondary commodity","Crushed, Broken Limestone NEC"],["Operator","Martin Marietta Materials, Inc."],["Workers employed at the mine","108 — as entered on the MSHA Mine Information Form"],["Nearest town","Calera"],["County","Shelby, AL"],["MSHA field office","Birmingham AL Field Office (A)"],["Operator's report for 2026 quarter 2","125 employees on average · 57,970 hours worked"],["Average employees, earlier quarters","2025 Q3: 115; 2025 Q4: 96; 2026 Q1: 109"],["MSHA inspections since Oct 1, 2024","5 — latest began Aug 4, 2026"],["Citations and orders issued to the operator since Oct 1, 2024","21 — 2 marked significant and substantial · proposed penalties $4,546 · latest Aug 6, 2026"],["Accident and injury reports since Oct 1, 2024","7 report(s), 7 with an injury or illness"]],"o":"Martin Marietta Materials, Inc.","t":"Stone","of":"entreprise"},"1103214":{"n":"Trac Portable","a":"","v":"Stephenson County","s":"IL","z":"","kv":[["MSHA mine ID","1103214"],["Status","Intermittent — since Jun 30, 2025"],["Mine type","Surface"],["Primary commodity","Crushed, Broken Limestone NEC"],["Operator","Fischer Excavating,Inc"],["Workers employed at the mine","2 — as entered on the MSHA Mine Information Form"],["Nearest town","Freeport"],["County","Stephenson, IL"],["Portable operation","yes"],["MSHA field office","Peru IL Field Office"],["Operator's report for 2025 quarter 4","3 employees on average · 836 hours worked"],["Average employees, earlier quarters","2025 Q2: 3; 2025 Q3: 3"],["MSHA inspections since Oct 1, 2024","1 — latest began Aug 24, 2026"],["Citations and orders issued to the operator since Oct 1, 2024","none in the file"],["Accident and injury reports since Oct 1, 2024","none in the file"]],"o":"Fischer Excavating,Inc","t":"Stone"},"1901319":{"n":"OLD BERNARDSTON ROAD PIT","a":"","v":"Franklin County","s":"MA","z":"","kv":[["MSHA mine ID","1901319"],["Status","Intermittent — since Oct 10, 2023"],["Mine type","Surface"],["Primary commodity","Construction Sand and Gravel"],["Operator","MITCHELL MATERIALS, LLC"],["Workers employed at the mine","2 — as entered on the MSHA Mine Information Form"],["Nearest town","Bernardston"],["County","Franklin, MA"],["MSHA field office","Albany NY Field Office"],["Operator's report for 2026 quarter 2","1 employees on average · 1,146 hours worked"],["Average employees, earlier quarters","2025 Q3: 1; 2025 Q4: 1; 2026 Q1: 2"],["MSHA inspections since Oct 1, 2024","2 — latest began Jul 8, 2026"],["Citations and orders issued to the operator since Oct 1, 2024","1 — 0 marked significant and substantial · proposed penalties $151 · latest Aug 20, 2025"],["Accident and injury reports since Oct 1, 2024","none in the file"]],"o":"MITCHELL MATERIALS, LLC","t":"Sand and gravel"},"3503854":{"n":"Portable Crusher","a":"","v":"Clatsop County","s":"OR","z":"","kv":[["MSHA mine ID","3503854"],["Status","Intermittent — since Oct 1, 2023"],["Mine type","Surface"],["Primary commodity","Crushed, Broken Basalt"],["Operator","Big River Excavating"],["Workers employed at the mine","2 — as entered on the MSHA Mine Information Form"],["Nearest town","Olney"],["County","Clatsop, OR"],["Portable operation","yes"],["MSHA field office","Albany OR Field Office"],["Operator's report for 2026 quarter 2","3 employees on average · 398 hours worked"],["Average employees, earlier quarters","2025 Q3: 1; 2025 Q4: 1; 2026 Q1: 3"],["MSHA inspections since Oct 1, 2024","2 — latest began Dec 9, 2025"],["Citations and orders issued to the operator since Oct 1, 2024","4 — 0 marked significant and substantial · proposed penalties $592 · latest Dec 9, 2025"],["Accident and injury reports since Oct 1, 2024","none in the file"]],"o":"Big River Excavating","t":"Stone"},"4702601":{"n":"Colony Pit","a":"","v":"Chippewa County","s":"WI","z":"","kv":[["MSHA mine ID","4702601"],["Status","Intermittent — since Apr 15, 2013"],["Mine type","Surface"],["Primary commodity","Construction Sand and Gravel"],["Operator","Stelter Inc."],["Workers employed at the mine","3 — as entered on the MSHA Mine Information Form"],["Nearest town","Bloomer"],["County","Chippewa, WI"],["Portable operation","yes"],["MSHA field office","Duluth MN Field Office"],["Operator's report for 2026 quarter 2","3 employees on average · 865 hours worked"],["Average employees, earlier quarters","2025 Q3: 3; 2025 Q4: 3; 2026 Q1: 0"],["MSHA inspections since Oct 1, 2024","2 — latest began May 18, 2026"],["Citations and orders issued to the operator since Oct 1, 2024","4 — 0 marked significant and substantial · proposed penalties $600 · latest May 18, 2026"],["Accident and injury reports since Oct 1, 2024","none in the file"]],"o":"Stelter Inc.","t":"Sand and gravel"},"4703932":{"n":"Harmon","a":"","v":"Pepin County","s":"WI","z":"","kv":[["MSHA mine ID","4703932"],["Status","Intermittent — since Mar 21, 2023"],["Mine type","Surface"],["Primary commodity","Sand, Common"],["Operator","Deja Vu Trucking & Excavating LLC"],["Workers employed at the mine","2 — as entered on the MSHA Mine Information Form"],["Nearest town","Arkansaw"],["County","Pepin, WI"],["MSHA field office","Duluth MN Field Office"],["Operator's report for 2024 quarter 2","1 employees on average · 11 hours worked"],["Average employees, earlier quarters","2024 Q1: 1"],["MSHA inspections since Oct 1, 2024","2 — latest began Aug 20, 2026"],["Citations and orders issued to the operator since Oct 1, 2024","none in the file"],["Accident and injury reports since Oct 1, 2024","none in the file"]],"o":"Deja Vu Trucking & Excavating LLC","t":"Sand and gravel"},"4800611":{"n":"Stucco Mill","a":"","v":"Big Horn County","s":"WY","z":"","kv":[["MSHA mine ID","4800611"],["Status","Active — since Feb 5, 1979"],["Mine type","Facility"],["Primary commodity","Bentonite"],["Operator","Wyo-Ben, Inc"],["Workers employed at the mine","30 — as entered on the MSHA Mine Information Form"],["Nearest town","Greybull"],["County","Big Horn, WY"],["MSHA field office","Gillette WY Field Office"],["Operator's report for 2026 quarter 2","42 employees on average · 19,674 hours worked"],["Average employees, earlier quarters","2025 Q3: 42; 2025 Q4: 41; 2026 Q1: 42"],["MSHA inspections since Oct 1, 2024","4 — latest began Aug 24, 2026"],["Citations and orders issued to the operator since Oct 1, 2024","2 — 0 marked significant and substantial · proposed penalties $302 · latest Aug 24, 2026"],["Accident and injury reports since Oct 1, 2024","3 report(s), 3 with an injury or illness"]],"o":"Wyo-Ben, Inc","t":"Nonmetal","of":"entreprise"},"5000030":{"n":"Usibelli","a":"","v":"Denali County","s":"AK","z":"","kv":[["MSHA mine ID","5000030"],["Status","Active — since Nov 30, 1980"],["Mine type","Surface"],["Primary commodity","Coal (Bituminous)"],["Operator","Usibelli Coal Mine Inc"],["Workers employed at the mine","80 — as entered on the MSHA Mine Information Form"],["Nearest town","Healy"],["County","Denali, AK"],["MSHA field office","Anchorage AK Field Office"],["Operator's report for 2026 quarter 2","109 employees on average · 59,546 hours worked · 193,877 tons of coal"],["Average employees, earlier quarters","2025 Q3: 107; 2025 Q4: 104; 2026 Q1: 104"],["MSHA inspections since Oct 1, 2024","7 — latest began Jun 18, 2026"],["Citations and orders issued to the operator since Oct 1, 2024","14 — 0 marked significant and substantial · proposed penalties $2,521 · latest Jun 20, 2026"],["Accident and injury reports since Oct 1, 2024","2 report(s), 2 with an injury or illness"]],"o":"Usibelli Coal Mine Inc","t":"Coal","of":"entreprise"},"CG446":{"n":"Baseline Contracting, Inc.","a":"","v":"","s":"","z":"","kv":[["MSHA contractor ID","G446"],["Kind of record","Independent contractor working at mines"],["Contractor's report for 2026 quarter 2","28 employees on average at mine sites · 12,393 hours worked"],["Average employees at mine sites, earlier quarters","2025 Q3: 29; 2025 Q4: 31; 2026 Q1: 18"]],"t":"Mine contractor","of":"video"}}