{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/by-controller?name=Martin%20L%20Meyer%20Construction%20Company","controller":"Martin L Meyer Construction Company","_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":"2026-10-04T23:05:41.046Z"},"count":1,"truncated":false,"mines":[{"mine_id":"3900273","mine_name":"Fuh Pit Or O'Grady Pit","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"SD","county_name":"Pennington","controller_name":"Martin L Meyer Construction Company","operator_name":"Martin L Meyer Construction Company","num_employees":null,"primary_canvass":"SandAndGravel","canonical_url":"https://api.morvs.ai/mine/3900273"}]}