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V.—Outcrops
Published online by Cambridge University Press: 01 May 2009
Extract
Now that mapping constitutes such an essential part of field-work, it may be of use to some of your readers to connect together a few rules which have occurred to me on this subject.
Valley-Outcrops.—Professor Green has devised an admirably common sense method by which the outcrop of a flat rock-bed can be traced by means of contour lines. The main results gained from this method may be thus summed up:—
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