7. A track of width 1 to 1.2 m constructed along the selected alignment to facilitate access to the area for inspection and detailed survey is known as
A. terrain
B. trace out
C. inspection trace
D. all of these
7. A track of width 1 to 1.2 m constructed along the selected alignment to facilitate access to the area for inspection and detailed survey is known as
A. terrain
B. trace out
C. inspection trace
D. all of these