Lesson 1/Practice Exercise
4.
This is a _______________________ quarry. (Choose one: hillside, subsurface, or terrain.) The
ramp is a ______________________ access. (Choose one: spiral or switchback.)
5.
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
the __________________________.
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