{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/by-controller?name=Deilmann-Haniel%20%26%20Maschinen-Und%20Stahlbau%20Gmbh%20et%20a","controller":"Deilmann-Haniel & Maschinen-Und Stahlbau Gmbh et a","_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":"2026-10-07T11:03:31.678Z"},"count":1,"truncated":false,"mines":[{"mine_id":"0504603","mine_name":"Sylvester Gulch No 1","coal_metal_ind":"C","mine_type":"Underground","mine_status":"Abandoned","state":"CO","county_name":"Gunnison","controller_name":"Deilmann-Haniel & Maschinen-Und Stahlbau Gmbh et a","operator_name":"Frontier-Kemper Constructors Inc","num_employees":0,"primary_canvass":"Coal","canonical_url":"https://api.morvs.ai/mine/0504603"}]}