{"name":"Cenex Drilling Activity in Harding County, South Dakota","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/cenex/southdakota/harding","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Cenex","operatorSlug":"cenex","state":"SD","county":"Harding","totalWells":10,"producingWells":3,"permits24mo":0,"spuds24mo":0,"ducCount":7,"topFormation":"Judith River- Eagle","rankInCounty":6,"firstPermitDate":"1976-09-29","lastPermitDate":"2010-02-26"}