{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.ai-analytics.org/api/v1/msha/by-controller?name=Valley%20Improvement%20Association","controller":"Valley Improvement Association","_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":"2026-09-23T11:20:14.300Z"},"count":2,"truncated":false,"mines":[{"mine_id":"2902370","mine_name":"Albert Hill","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"NM","county_name":"Valencia","controller_name":"Valley Improvement Association","operator_name":"South Valley Development Corp","num_employees":0,"primary_canvass":"SandAndGravel","canonical_url":"https://api.ai-analytics.org/mine/2902370"},{"mine_id":"2902407","mine_name":"Portable Crusher","coal_metal_ind":"M","mine_type":"Surface","mine_status":"Abandoned","state":"NM","county_name":"Santa Fe","controller_name":"Valley Improvement Association","operator_name":"South Valley Development","num_employees":0,"primary_canvass":"Stone","canonical_url":"https://api.ai-analytics.org/mine/2902407"}]}