a a en . , ; _— North Carolina Geological and Economic Survey. Vou. III, PLATH® Ill. A.—Exposure of the Patuxent formation, Little River, one-half mile below the railroad bridge at Manchester, Cumberland County, N. C. B.—Exposure on Neuse River at county bridge, two miles southwest of Gelds- boro, N. C. Shows unconformable contact between the Patuxent and Black Creek formations.