{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/by-controller?name=Polen%20Dean","controller":"Polen Dean","_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":"2026-11-02T09:25:18.655Z"},"count":4,"truncated":false,"mines":[{"mine_id":"3300981","mine_name":"Hopedale Strip #1","coal_metal_ind":"C","mine_type":"Surface","mine_status":"Abandoned","state":"OH","county_name":"Jefferson","controller_name":"Polen Dean","operator_name":"Polen Coal Company","num_employees":null,"primary_canvass":"Coal","canonical_url":"https://api.morvs.ai/mine/3300981"},{"mine_id":"3300982","mine_name":"Hopedale No 1 Auger","coal_metal_ind":"C","mine_type":"Surface","mine_status":"Abandoned","state":"OH","county_name":"Jefferson","controller_name":"Polen Dean","operator_name":"Polen Coal Company","num_employees":null,"primary_canvass":"Coal","canonical_url":"https://api.morvs.ai/mine/3300982"},{"mine_id":"3302049","mine_name":"Hopewell Strip Mine","coal_metal_ind":"C","mine_type":"Surface","mine_status":"Abandoned","state":"OH","county_name":"Harrison","controller_name":"Polen Dean","operator_name":"Polen Coal Company","num_employees":null,"primary_canvass":"Coal","canonical_url":"https://api.morvs.ai/mine/3302049"},{"mine_id":"3302540","mine_name":"Hopedale No 2-Strip","coal_metal_ind":"C","mine_type":"Surface","mine_status":"Abandoned","state":"OH","county_name":"Harrison","controller_name":"Polen Dean","operator_name":"Dean Coal Company","num_employees":0,"primary_canvass":"Coal","canonical_url":"https://api.morvs.ai/mine/3302540"}]}