{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/by-controller?name=Pioneer%20Corp","controller":"Pioneer Corp","_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":"2026-11-04T12:57:49.557Z"},"count":6,"truncated":false,"mines":[{"mine_id":"0502588","mine_name":"Mum Mine","coal_metal_ind":"M","mine_type":"Underground","mine_status":"Abandoned","state":"CO","county_name":"Montrose","controller_name":"Pioneer Corp","operator_name":"Pioneer Uravan Inc","num_employees":null,"primary_canvass":"Metal","canonical_url":"https://api.morvs.ai/mine/0502588"},{"mine_id":"0503465","mine_name":"C-Bl-23b","coal_metal_ind":"M","mine_type":"Underground","mine_status":"Abandoned","state":"CO","county_name":"Montrose","controller_name":"Pioneer Corp","operator_name":"Pioneer Uravan Inc","num_employees":null,"primary_canvass":"Metal","canonical_url":"https://api.morvs.ai/mine/0503465"},{"mine_id":"1001436","mine_name":"Black Pine Mine","coal_metal_ind":"M","mine_type":"Underground","mine_status":"Abandoned","state":"ID","county_name":"Cassia","controller_name":"Pioneer Corp","operator_name":"Pioneer Nuclear Inc","num_employees":null,"primary_canvass":"Metal","canonical_url":"https://api.morvs.ai/mine/1001436"},{"mine_id":"1510193","mine_name":"No 1 Surface","coal_metal_ind":"C","mine_type":"Surface","mine_status":"Abandoned","state":"KY","county_name":"Laurel","controller_name":"Pioneer Corp","operator_name":"Texas Pioneer Coal Company","num_employees":null,"primary_canvass":"Coal","canonical_url":"https://api.morvs.ai/mine/1510193"},{"mine_id":"1510323","mine_name":"No 2 Surface","coal_metal_ind":"C","mine_type":"Surface","mine_status":"Abandoned","state":"KY","county_name":"Clay","controller_name":"Pioneer Corp","operator_name":"Texas Pioneer Coal Company","num_employees":null,"primary_canvass":"Coal","canonical_url":"https://api.morvs.ai/mine/1510323"},{"mine_id":"2401657","mine_name":"Elkhorn Mine","coal_metal_ind":"M","mine_type":"Underground","mine_status":"Abandoned","state":"MT","county_name":"Jefferson","controller_name":"Pioneer Corp","operator_name":"Pioneer Nuclear Inc","num_employees":null,"primary_canvass":"Metal","canonical_url":"https://api.morvs.ai/mine/2401657"}]}