"Formation" shall mean a body of rock characterized by a degree of lithologic homogeneity which is prevailing, but not necessarily, tabular and is mappable on the earth's surface or traceable in the subsurface.
135 Neb. Admin. Code, ch. 1, § 005
"Formation" shall mean a body of rock characterized by a degree of lithologic homogeneity which is prevailing, but not necessarily, tabular and is mappable on the earth's surface or traceable in the subsurface.
135 Neb. Admin. Code, ch. 1, § 005