745 A.2d 1155 TOWN OF SEABROOK v. VACHON MANAGEMENT, INC. a. No. 98-139Supreme Court of New Hampshire Rockingham Decided February 8, 2000 1. Zoning and Planning — Generally — Exceptions, Variances, and Nonconforming Uses An established use of land is not disturbed by a subsequent land restriction; to qualify for such protection, a nonconforming use […]