00000nz a2200000n 4500 001 KSH2001016324 005 20021118000000 008 011101 n azknn|abn |a a|a | 150 ▼a종사구[縱砂丘]▲ 550 ▼wg▼a사구(모래)[砂丘]▲ 550 ▼a횡사구[橫砂丘]▲