{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.ai-analytics.org/api/v1/msha/by-controller?name=Schultz%20William%20C","controller":"Schultz William C","_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":"2026-09-25T01:50:57.589Z"},"count":1,"truncated":false,"mines":[{"mine_id":"2102688","mine_name":"Langrud Pit","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"MN","county_name":"Clay","controller_name":"Schultz William C","operator_name":"William Schultz Construction Company Inc","num_employees":null,"primary_canvass":"SandAndGravel","canonical_url":"https://api.ai-analytics.org/mine/2102688"}]}