{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/by-controller?name=Daugherty%20Leland%20T%20%26%20Dwayne%20L","controller":"Daugherty Leland T & Dwayne L","_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":"2026-10-03T21:05:49.890Z"},"count":1,"truncated":false,"mines":[{"mine_id":"1001413","mine_name":"Seven Grand Mining Operation","coal_metal_ind":"M","mine_type":"Underground","mine_status":"Abandoned","state":"ID","county_name":"Idaho","controller_name":"Daugherty Leland T & Dwayne L","operator_name":"Leland T Daugherty","num_employees":null,"primary_canvass":"Metal","canonical_url":"https://api.morvs.ai/mine/1001413"}]}