{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.ai-analytics.org/api/v1/msha/by-controller?name=Grothe%20Len","controller":"Grothe Len","_source":{"data_provider":"AI Analytics","data_provider_url":"https://api.ai-analytics.org","license":"https://creativecommons.org/publicdomain/zero/1.0/","primary_source":"https://arlweb.msha.gov/OpenGovernmentData/OGIMSHA.asp","generated_at":"2026-09-23T20:23:58.235Z"},"count":1,"truncated":false,"mines":[{"mine_id":"5001439","mine_name":"Cape Creek","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"AK","county_name":"Seward Peninsula","controller_name":"Grothe Len","operator_name":"Lost River Mining","num_employees":null,"primary_canvass":"Metal","canonical_url":"https://api.ai-analytics.org/mine/5001439"}]}