Use these materials when working with the new practice survey shell. Last Modified on 10/23/2023 Downloads LTCSP 12.4.4 Practice Shell Instructions (DOCX 118 KB) [Posted 10/23/2023] Matrix for A hall for Practice Shell (DOCX 31 KB) [Posted 10/23/2023] Matrix for E hall for Practice Shell (DOCX 29 KB) [Posted 10/23/2023]