{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/by-controller?name=Duininck%20Brothers%20%26%20Gilchrist%2FBuffalo%20Bituminous%20C","controller":"Duininck Brothers & Gilchrist/Buffalo Bituminous C","_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":"2026-10-06T23:04:44.853Z"},"count":3,"truncated":false,"mines":[{"mine_id":"2100475","mine_name":"Varner Pit","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"MN","county_name":"Wright","controller_name":"Duininck Brothers & Gilchrist/Buffalo Bituminous C","operator_name":"Buffalo Bituminous Corp","num_employees":null,"primary_canvass":"SandAndGravel","canonical_url":"https://api.morvs.ai/mine/2100475"},{"mine_id":"2101699","mine_name":"Morris-Nebtz Pit","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"MN","county_name":"Wright","controller_name":"Duininck Brothers & Gilchrist/Buffalo Bituminous C","operator_name":"Buffalo Bituminous Corp","num_employees":null,"primary_canvass":"SandAndGravel","canonical_url":"https://api.morvs.ai/mine/2101699"},{"mine_id":"2102527","mine_name":"Giese Or Gilsie Pit","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"MN","county_name":"Hennepin","controller_name":"Duininck Brothers & Gilchrist/Buffalo Bituminous C","operator_name":"Buffalo Bituminous Corp","num_employees":null,"primary_canvass":"SandAndGravel","canonical_url":"https://api.morvs.ai/mine/2102527"}]}