. Elementary lessons in the physics of agriculture . Fig. 38. Photo-engraving of a relief map of Wisconsin, showing the glaciated and non-glaciated areas of the state. shows, in general, the distribution of the glacial and residuary subsoils. The area of rugged topography in the west and southwest of the state is the region covered by the residuary subsoils. It should not be inferred, however, that the compo- sition of aU of our glacial subsoils is fairly represented by

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Keywords: ., bookcentury1800, bookdecade1890, bookpublishermadis, bookyear1894