MiscHaz-mat sent to Oro Grande school construction site 16 years ago16 years ago Haz-mat sent to Oro Grande school construction site – ORO GRANDE Workers at the Riverside Preparatory c Share this article Post navigation Previous: Three alarm fire under control at new Chesterfield SchoolNext: Eastern Lancaster County School District seeks ad, bid waivers Leave a ReplyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website