{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/by-controller?name=Midwest%20Construction%20Company%20%26%20Luhr%20Brothers%20Inc","controller":"Midwest Construction Company & Luhr Brothers Inc","_source":{"data_provider":"AI Analytics","brand_name":"MORVS","brand_url":"https://morvs.ai/","data_provider_url":"https://api.morvs.ai","license":"https://creativecommons.org/publicdomain/zero/1.0/","primary_source":"https://arlweb.msha.gov/OpenGovernmentData/OGIMSHA.asp","generated_at":"2026-10-07T05:19:22.842Z"},"count":9,"truncated":false,"mines":[{"mine_id":"1401079","mine_name":"Scholz Quarry","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"KS","county_name":"Doniphan","controller_name":"Midwest Construction Company & Luhr Brothers Inc","operator_name":"Colaska Production Company","num_employees":null,"primary_canvass":"Stone","canonical_url":"https://api.morvs.ai/mine/1401079"},{"mine_id":"1401372","mine_name":"Bones Quarry","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"KS","county_name":"Miami","controller_name":"Midwest Construction Company & Luhr Brothers Inc","operator_name":"Colaska Production Company","num_employees":null,"primary_canvass":"Stone","canonical_url":"https://api.morvs.ai/mine/1401372"},{"mine_id":"2301144","mine_name":"Bailey Quarry","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"MO","county_name":"Henry","controller_name":"Midwest Construction Company & Luhr Brothers Inc","operator_name":"Colaska Production Company","num_employees":null,"primary_canvass":"Stone","canonical_url":"https://api.morvs.ai/mine/2301144"},{"mine_id":"2301417","mine_name":"Iatan Quarry And Mill","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"MO","county_name":"Platte","controller_name":"Midwest Construction Company & Luhr Brothers Inc","operator_name":"Colaska Production Company","num_employees":null,"primary_canvass":"Stone","canonical_url":"https://api.morvs.ai/mine/2301417"},{"mine_id":"3200616","mine_name":"Sletton Mine","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"ND","county_name":"Oliver","controller_name":"Midwest Construction Company & Luhr Brothers Inc","operator_name":"Colaska Production Company","num_employees":null,"primary_canvass":"SandAndGravel","canonical_url":"https://api.morvs.ai/mine/3200616"},{"mine_id":"3401098","mine_name":"Clayton No 1","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"OK","county_name":"Pushmataha","controller_name":"Midwest Construction Company & Luhr Brothers Inc","operator_name":"Colaska Production Company","num_employees":null,"primary_canvass":"SandAndGravel","canonical_url":"https://api.morvs.ai/mine/3401098"},{"mine_id":"3401164","mine_name":"Hartshorne Quarry (Carrolton Property)","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"OK","county_name":"Pittsburg","controller_name":"Midwest Construction Company & Luhr Brothers Inc","operator_name":"Colaska Production Company","num_employees":null,"primary_canvass":"Stone","canonical_url":"https://api.morvs.ai/mine/3401164"},{"mine_id":"4103390","mine_name":"ALLWEATHER SAND PIT","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"TX","county_name":"Harris","controller_name":"Midwest Construction Company & Luhr Brothers Inc","operator_name":"Colaska Production Company","num_employees":0,"primary_canvass":"SandAndGravel","canonical_url":"https://api.morvs.ai/mine/4103390"},{"mine_id":"4103651","mine_name":"Scobee","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"TX","county_name":"Burnet","controller_name":"Midwest Construction Company & Luhr Brothers Inc","operator_name":"Colaska Production Company","num_employees":null,"primary_canvass":"Stone","canonical_url":"https://api.morvs.ai/mine/4103651"}]}