. Bulletin of the Department of Agriculture. Agriculture; Agriculture. BULLETI]Sr 820, U. S. DEPARTMENT OF AGRICULTURE. origin developed by the weathering of the underlying rock. This is the "Great Laurentian Shield," which comprises over 50 per cent of the area of Canada and extends from the northwest arm of the Lake of the Woods, northwestv/ard and northward to the mouth of the Mac-. kenzie River, the Arctic Ocean, and the mouth of the Winnipeg River, and eastward through Ontario, Quebec, and Labrador, (See j&g. 1.) Lakes, rivers, and swamps alternate with low hills and pl
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. BULLETI]Sr 820, U. S. DEPARTMENT OF AGRICULTURE. origin developed by the weathering of the underlying rock. This is the "Great Laurentian Shield," which comprises over 50 per cent of the area of Canada and extends from the northwest arm of the Lake of the Woods, northwestv/ard and northward to the mouth of the Mac-. kenzie River, the Arctic Ocean, and the mouth of the Winnipeg River, and eastward through Ontario, Quebec, and Labrador, (See j&g. 1.) Lakes, rivers, and swamps alternate with low hills and plateaus, which show a remarkably even sky line. The network of waterways extends throughout the region. The soil is found mostly along stream valleys (alluvial), on the southern exposures of ridges (glacial sands. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
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