Surface geology and agricultural conditions of Michigan . of the ice during the development of the eskers beneath itsmargin. Their distribution is general and widespread. They areespecially abundant among the rocky knobs of the western half ofthe peninsula. A kame or a kame cluster usually occupies but asmall fraction of a square mile or too small an area to be easilyrepresented on a scale such as that of the general map. (PL I).They are also so numerous that no attempt was made to map themin detail. Like the eskers, kames arc, of commercial value as roadmaterial, wherever there is a demand fo
Surface geology and agricultural conditions of Michigan . of the ice during the development of the eskers beneath itsmargin. Their distribution is general and widespread. They areespecially abundant among the rocky knobs of the western half ofthe peninsula. A kame or a kame cluster usually occupies but asmall fraction of a square mile or too small an area to be easilyrepresented on a scale such as that of the general map. (PL I).They are also so numerous that no attempt was made to map themin detail. Like the eskers, kames arc, of commercial value as roadmaterial, wherever there is a demand for it, EFFECT OF THE ECE SHEET OX ROCK SURFACES. In regions which have not been overridden by an ice sheet thereis a man lie of soil, roek waste and rotten rock several feel deep overthe rock ledges, except where slopes are so sleep that il is washedaway. This mantle represents a long period of weathering amidisintegration of the rock surfaces. In regions thai have been Michigan Geological andBiological Survey. Publication 25, Geological SeriesPlate B. STRIAE CURVING ROUND \ ROCK BOSS NEAR rSHPEMINO. Michigan Geological andBiological Survey. Publication 25. Geological Series 21,Plate V.
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