{"@context":{"@vocab":"https://schema.org/","dcterms":"http://purl.org/dc/terms/"},"@type":"NGO","@id":"https://api.ai-analytics.org/nonprofit/376046466#org","identifier":[{"@type":"PropertyValue","propertyID":"EIN","value":"376046466"}],"name":"ILLINOIS GEOLOGICAL SOCIETY","legalName":"ILLINOIS GEOLOGICAL SOCIETY","address":{"@type":"PostalAddress","streetAddress":"1460 COUNTY ROAD 900 N","addressLocality":"FAIRFIELD","addressRegion":"IL","postalCode":"62837-2642","addressCountry":"US"},"foundingDate":"1964-01-01","nonprofitStatus":"Business league / chamber of commerce","dcterms:type":"Corporation","sameAs":["https://projects.propublica.org/nonprofits/organizations/376046466","https://apps.irs.gov/app/eos/displayAll.do?dispatchMethod=displayAllInfo&ein1=376046466"],"isAccessibleForFree":true,"license":"https://creativecommons.org/publicdomain/zero/1.0/","_source":{"data_provider":"AI Analytics","data_provider_url":"https://api.ai-analytics.org","license":"https://creativecommons.org/publicdomain/zero/1.0/","primary_source":"https://www.irs.gov/charities-non-profits/exempt-organizations-business-master-file-extract","generated_at":"2026-07-22T00:39:35.391Z"}}