Draw the strike lines for each bed.
Determine the direction and angle of dip.
Draw a scale cross-section (on graph paper) between points X
and Y to show the ground surface and the direction of the dipping
strata.
Deduce the direction and angle of dip of the coal seam which is
seen to outcrop at points A, B and C.
At what depth would the coal seam be encountered in a borehole
sunk at point D?
Complete the outcrop of the seam.
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