Coast near San Francisco. Coast of Maine. THE UNITED STATES. ——+>e—__. 119. Surface of the United States. The United States includes the middle part of North America and all Alaska.’ The north shore of the gulf of Mexico is at one third of the distance from the equator to the north pole. The line which is just halfway between the equator and this pole passes through the Great Lakes. The southern part of the United States is in the warm belt. The northern part is mainly in thé cool belt. Review. — What bodies of water border on the United States ? Between what high mountains does the Great Basin lie? Where does the Goimsdes river rise ? it noted? Into what gulf does it flow ? Through what high range does the Columbia river flow? Into what sea does the Yukon river flow ? : =a 1See map on page 105. For what is Coast of Southern California. Where are the Great Lakes ? river flows from Lake Ontario ? What bounds the basin of the Mississippi on the west? On the east? On the north? Namea large river that ows into the Mississippi from the west ? Where does the Missouri river rise ? Into what does the. Ohio river flow ? Where are the prairies? ‘The western plains? The southern plains? Tell what you have learned about the surface of the United States. Where is the city of New York? Southward from New York, along the Atlantic ocean and gulf of Mexico, the coast is mainly low and sandy. The best harbors are near the mouths of rivers or on large bays. East and northeast of New York the coast is in many places rocky and broken, and there are many fine harbors. There are but few good harbors on the Pacific coast of the United States. Name them. What » Coast of Florida,