20250210 15424500 1.0 TRUE Oil & Gas Test Well Surface Hole Locations S Surface Location - Surface locations (wellhead) of all oil & gas test wells whether directionally drilled or straight (vertical) holes. D Surface locations (wellhead) of all oil & gas test wells whether directionally drilled or straight (vertical) holes. These are extracted from the Michigan DEQ Oil, Gas & Minerals RBDMS database on a nightly basis. Michigan DEQ Oil, Gas & Minerals Division