Fault plane Hanging wall А UNE D C с B: Directions: Encircle the letter of the correct answer. 1. The foot wall is identified by (A, B, C, D) letter. 2. The hanging wall is identified by (A, B, C, D) letter. 3. The fault line is identified by (A, B, C, D) letter. 4. The fault plane is identified by (A, B, C, D) letter.