Methods and aids in geography, for the use of teachers and normal schools . hores, and on Isle Royale. Here arefound beautiful specimens of this ore. The celebrated pictured rocksare along the south shore. They are of various colors, as if paintedby Indian artists, and in the distance resemble castles. Lake Michigan is next in size; twenty feet lower in level, andits average depth about the same, Huron is nearly as large and 2 74 METHODS AND AIDS IN GEOGRAPHY deep, and it is on the same level. The shores of both are lowand heavily timbered. Erie is very shallow, and much disturbed bystorms. On
Methods and aids in geography, for the use of teachers and normal schools . hores, and on Isle Royale. Here arefound beautiful specimens of this ore. The celebrated pictured rocksare along the south shore. They are of various colors, as if paintedby Indian artists, and in the distance resemble castles. Lake Michigan is next in size; twenty feet lower in level, andits average depth about the same, Huron is nearly as large and 2 74 METHODS AND AIDS IN GEOGRAPHY deep, and it is on the same level. The shores of both are lowand heavily timbered. Erie is very shallow, and much disturbed bystorms. Ontario means beautiful. This lake, though farther north,has much less ice in it than Erie. Like Superior, its bottom is as farbelow the level of the sea as its surface is above it. The water inpassing from Lake Superior to Lake Ontario descends three hundredand seventy feet, and only two hundred and thirty feet more to reachtide-water. [The teacher, by putting the following simple illustration on the blackboard, willgreatly interest the class in these lakes. See Fig. 59.]. Fig 59. — The Great Lakes. Showing heights above and below sea-level, and with one another. Description of Four Characteristic Rivers. [Let the pupil by the list of sub-divisions under river-systems, p. 48, learn anddescribe most of the points in reference to each river.] Mississippi River. — The Mississippi River, with its longestbranch (Missouri-Mississippi), rises in the Rocky Mountains, anddrains the southern slope of the Central Plain. It flows in a south-erly direction through the United States, measuring from the sourceof the Missouri to the month of the Mississippi, in the Gulf, forty-two HUNDRED MILES, thus making it the longest river in theWORLD. Its main branch is navigable to the Falls of St. Anthony, near Its course throughout is very winding, and some of the turnsare called ox-bows. (See Fig. 60.) In the upper part it is bordered THE MISSISSIPPI RIVER 275 by high, steep bluffs, being
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Keywords: ., bookcentury1800, bookdecade18, booksubjectgeography, bookyear1895
