{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.ai-analytics.org/api/v1/msha/by-controller?name=Barton%20County-KS","controller":"Barton County-KS","_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":"2026-09-25T01:51:02.599Z"},"count":3,"truncated":false,"mines":[{"mine_id":"1400355","mine_name":"P901 Sand Pit","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Intermittent","state":"KS","county_name":"Barton","controller_name":"Barton County-KS","operator_name":"Barton County Highway","num_employees":2,"primary_canvass":"SandAndGravel","canonical_url":"https://api.ai-analytics.org/mine/1400355"},{"mine_id":"1401131","mine_name":"Pit-901","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"KS","county_name":"Barton","controller_name":"Barton County-KS","operator_name":"Barton County Highway","num_employees":null,"primary_canvass":"SandAndGravel","canonical_url":"https://api.ai-analytics.org/mine/1401131"},{"mine_id":"1401132","mine_name":"Barton County Sand Pit 903","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"KS","county_name":"Barton","controller_name":"Barton County-KS","operator_name":"Barton County Highway","num_employees":null,"primary_canvass":"SandAndGravel","canonical_url":"https://api.ai-analytics.org/mine/1401132"}]}