Uniformly dipping rock strata () draw structure contours on the geological contacts. (ii) determine the dip of the beds. (iii) complete the cross section along the line yz. (iv) where you can see the top and bottom of the beds on the map (b, c, d and e) calculate the thicknesses of these beds. indicate an inlier and an outlier on the map. (v) 0 scale e.