{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/by-controller?name=Weelborg%20Ralph","controller":"Weelborg Ralph","_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":"2026-09-30T13:06:22.320Z"},"count":3,"truncated":false,"mines":[{"mine_id":"3900900","mine_name":"Werdel Pit","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"SD","county_name":"Hand","controller_name":"Weelborg Ralph","operator_name":"Weelborg Brothers Inc","num_employees":null,"primary_canvass":"SandAndGravel","canonical_url":"https://api.morvs.ai/mine/3900900"},{"mine_id":"3901032","mine_name":"South Dakota Pit","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"SD","county_name":"Union","controller_name":"Weelborg Ralph","operator_name":"Weelborg Brothers Inc","num_employees":null,"primary_canvass":"SandAndGravel","canonical_url":"https://api.morvs.ai/mine/3901032"},{"mine_id":"3901056","mine_name":"Higman Pit & Mill","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"SD","county_name":"Sanborn","controller_name":"Weelborg Ralph","operator_name":"Weelborg Brothers Inc","num_employees":null,"primary_canvass":"SandAndGravel","canonical_url":"https://api.morvs.ai/mine/3901056"}]}