Lesson 1/Practice Exercise
This is a _______________________ quarry. (Choose one: hillside, subsurface, or terrain.) The
ramp is a ______________________ access. (Choose one: spiral or switchback.)
A. indicates the direction of the line of intersection of the rock layer with the horizontal plane.
A. is called the _____________________________.
B. is the maximum angular departure of the inclined rock bed from the horizontal. B. is called