"Formation" shall mean a body of rock characterized by a degree of lithologic homogeneity which is prevailingly, but not necessarily, tabular and is mappable on the earth's surface or traceable in the subsurface.
122 Neb. Admin. Code, ch. 1, § 035
"Formation" shall mean a body of rock characterized by a degree of lithologic homogeneity which is prevailingly, but not necessarily, tabular and is mappable on the earth's surface or traceable in the subsurface.
122 Neb. Admin. Code, ch. 1, § 035