S.C. Code § 30-5-250
When any recorded deed, mortgage or other instrument conveying an interest in, or creating a lien on, real property, refers to the boundaries, metes, courses or distances of such real estate delineated or shown on any such plat or blueprint, tracing, photostatic or other copy of such plat, recorded and indexed as herein authorized, and such deed, mortgage or other instrument states the office, book and page of recordation of any such plat or blueprint, tracing, photostatic or other copy thereof, such reference shall be equivalent to setting forth in extenso in such deed, mortgage or other instrument the boundaries, metes, courses or distances of such real estate as may be delineated or shown on any such plat or blueprint, tracing photostatic or other copy thereof.
S.C. Code § 30-5-250