Ontario
![Cold northwesterly wind over the [[Great Lakes](https://upload.wikimedia.org/wikipedia/commons/c/c6/Lake_Effect_Snow_on_Earth.jpg)
Ontario is bordered by the province of Manitoba to the west, Hudson Bay and James Bay to the north, and Quebec to the east and northeast. To the south, it is bordered by the U.S. states of (from west to east) Minnesota, Michigan, Ohio, Pennsylvania, and New York. Almost all of Ontario's border with the United States follows rivers and lakes: from the westerly Lake of the Woods, eastward along the major rivers and lakes of the Great Lakes/Saint Lawrence River drainage system. There is only about of actual land border, made up of portages including Height of Land Portage on the Minnesota border.
The great majority of Ontario's population and arable land is in Southern Ontario, and while agriculture remains a significant industry, the region's economy depends highly on manufacturing. In contrast, Northern Ontario is sparsely populated with cold winters and heavy forestation, with mining and forestry making up the region's major industries. Provided by Wikipedia
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241Contributors: “...DIRECTORATE OF SCIENTIFIC INFORMATION SERVICES OTTAWA (ONTARIO)...”
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242Published 1976Contributors: “...NATIONAL RESEARCH COUNCIL OF CANADA OTTAWA (ONTARIO)...”
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243by BURKHANOV,V. F.Contributors: “...DIRECTORATE OF SCIENTIFIC INFORMATION SERVICES OTTAWA (ONTARIO)...”
Published 1957
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244by Rettie,R. S.Contributors: “...NATIONAL RESEARCH COUNCIL OF CANADA OTTAWA (ONTARIO)...”
Published 1970
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245by Milyaev,N. A.Contributors: “...DIRECTORATE OF SCIENTIFIC INFORMATION SERVICES OTTAWA (ONTARIO)...”
Published 1960
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246by Miliaev,N. A.Contributors: “...DIRECTORATE OF SCIENTIFIC INFORMATION SERVICES OTTAWA (ONTARIO)...”
Published 1966
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247by Suzyumova,G. N.Contributors: “...DEFENCE SCIENTIFIC INFORMATION SERVICE OTTAWA (ONTARIO)...”
Published 1970
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248by Laktinov,A. F.Contributors: “...DIRECTORATE OF SCIENTIFIC INFORMATION SERVICES OTTAWA (ONTARIO)...”
Published 1959
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249Contributors: “...DIRECTORATE OF SCIENTIFIC INFORMATION SERVICES OTTAWA (ONTARIO)...”
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250Contributors: “...DEFENCE SCIENTIFIC INFORMATION SERVICE OTTAWA (ONTARIO)...”
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251by Timofeev,V. T.Contributors: “...DIRECTORATE OF SCIENTIFIC INFORMATION SERVICES OTTAWA (ONTARIO)...”
Published 1961
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252by Gushchenkov,E. M.Contributors: “...DEFENCE SCIENTIFIC INFORMATION SERVICE OTTAWA (ONTARIO)...”
Published 1968
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253by Morecki,V. N.Contributors: “...DIRECTORATE OF SCIENTIFIC INFORMATION SERVICES OTTAWA (ONTARIO)...”
Published 1968
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254by VORONOV,P. S.Contributors: “...DIRECTORATE OF SCIENTIFIC INFORMATION SERVICES OTTAWA (ONTARIO)...”
Published 1959
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255by Gavrilova,L. A.Contributors: “...DEFENCE SCIENTIFIC INFORMATION SERVICE OTTAWA (ONTARIO)...”
Published 1970
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256Contributors: “...DIRECTORATE OF SCIENTIFIC INFORMATION SERVICES OTTAWA (ONTARIO)...”
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257by VOLKOV,P.Contributors: “...DIRECTORATE OF SCIENTIFIC INFORMATION SERVICES OTTAWA (ONTARIO)...”
Published 1961
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258by KAPLIN,P. A.Contributors: “...DIRECTORATE OF SCIENTIFIC INFORMATION SERVICES OTTAWA (ONTARIO)...”
Published 1958
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259Contributors: “...DEFENCE AND CIVIL INST OF ENVIRONMENTALMEDICINE DOWNSVIEW (ONTARIO)...”
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260by Tracy,NicholasContributors: “...OPERATIONAL RESEARCH AND ANALYSIS ESTABLISHMENT OTTAWA (ONTARIO)...”
Published 1980
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