A home geography of New York city . o people living on or near their banks ? Of whatuse were rivers before people lived here ? In the eastern part of this country you will see one riverflowing in a northeasterly direction, and another not far from it flowing in a south-westerly is that? Whatcan you say aboutthe slope of the landin this place ? Most of the riversshown in this maprise in the mountainsand flow towards theplain. Where are theplains or low stretches of gently sloping land ? The source of a riveris higher than its mouth. Find the mouth of each river on this at
A home geography of New York city . o people living on or near their banks ? Of whatuse were rivers before people lived here ? In the eastern part of this country you will see one riverflowing in a northeasterly direction, and another not far from it flowing in a south-westerly is that? Whatcan you say aboutthe slope of the landin this place ? Most of the riversshown in this maprise in the mountainsand flow towards theplain. Where are theplains or low stretches of gently sloping land ? The source of a riveris higher than its mouth. Find the mouth of each river on this at the mouth of the great river flowing through the mid-dle of this country, and then look at the mouth of the river east ofit. Are they alike? One river seems to flow directly into the other river seems to have many mouths by which it reachesthe sea. Let us see why this river has so many mouths. Put somesand or mud in a bottle of water. Shake it up well, and then letthe water come to rest. What happens? Why does this happen?. A Dam A PHYSICAL MAP 27 Remember what you have observed; it will help }on to understandthe next paragraph. This great river, as we know, drains the land. As it flowsthrough the country it carries with it large quantities of sand andmud. Tiiis sand and mud are not carried out far into the oceanand scattered there; they settle down at the mouth of the mud and sand settle at the mouth of a river many lowislands are formed, and the river finds its way between them to thesea. Such a mouth iscalled a delta. In some rivers theflow of water is soswift and the tides andcurrents in the sea areso strong at the mouththat the mud is carriedout far into the sea. The mud and sand cannot settle, and no delta is formed. Somerivers do not carry down much soil on their way to the ocean. Didyou ever hear any one speak of low tide and high tide ? Now that you know something about a river and about itssource, would you call the East river a river? Turn to a ma
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