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Macintosh Picture Format  |  1996-09-10  |  171KB  |  640x310  |  8-bit (168 colors)
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OCR: The earliest known horses lived fifty-five million years ago in North America and Europe when it was possible to travel between the continents across the North Atlantic land bridge Then fifty-one million years ago the two continents moved apart The land bridge disappeared, and horses evolved separately uo the North American continent About twenty four million years ago horses first crossed the North Pacific bridge to Asia From there they spread into Europe About eleven million years ago they again crossed to Asia and Europe ultimately reaching Africa The last crossing took place two and half million vears ago when equines the only group horses living today migrated from North fiftv