312 IAC 29-2-58
312 IAC 29-2-58 "Formation" defined
Cite as Ind. Admin. Code tit. 312, r. 29-2-58
Sec. 58. "Formation" means a body of consolidated rock or unconsolidated earth material characterized by a degree of lithographic homogeneity that is mappable on the earth's surface or traceable in the subsurface.