A home geography of New York city . ttle 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 r
A home geography of New York city . ttle 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 map ofNew York city. Put your finger on the rivers location on themap. Follow its course. Where does it come from ? Is it a river ?If not a river, then what is it ? Look at the Harlem river. Studyit in the same way. Is the Harlem a river ? Now turn again to the map we are studying. Observe it you say that this country is mountainous? Delta in a Kiver Mouth (loukinl; Dow j 28 HOME GEOGEAPHY OF NEW YOEK CITY are very high hills. Sometimes they are so high that the topsare always covered with snow. When many mountains are ina line or row we call them a mountain chain. Are there anysuch on this map ? Where are the mountain chains ? In w^hatdirection do they extend ? Where are the highlands ? Where arethe lowlands ? In the northwestern portion of the map you see a stretch ofland marked in buft color. It seems very high and level, almost
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Keywords: ., bookcentury1900, bookdecade1900, bookidhom, riverdelta, rivermouth
