AHS APUSH Map Test Review - Physical - PLAYOnline version If the point is on a river (with the exception of the James), it's of that river. Most river lengths are pretty obvious, but the longer ones have explanations on where they head. It gets pretty cramped at the top. You can zoom in on the map, just don't hover your mouse over a point. by asce3 1 Rocky Mountains 2 Lake Huron 3 Appalachian Mountains 4 Lake Erie 5 Adirondack Mountains 6 Lake Ontario 7 Sierra Nevada Mountains 8 Lake Michigan 9 Cascade Mountains 10 Lake Superior 11 Ozark Mountains 12 Lake Champlain 13 Great Basin 14 Everglades 15 The Great Plains 16 Erie Canal 17 Grand Canyon 18 Long Island 19 Cape Cod 20 Rio Grande 21 Arkansas River 22 Wabash River 23 Platte River 24 Mississippi River 25 Columbia River 26 Colorado River 27 Tennessee River 28 Missouri River 29 Ohio River 30 James River 31 Delaware River 32 Savannah River 33 Connecticut River 34 Potomac River 35 Hudson River 36 Chesapeake Bay 37 Delaware Bay 38 Mobile Bay 39 Puget Sound 40 Great Salt Lake 41 Mojave Desert 42 Black Hills 43 Sea Islands 44 Central Valley of California 45 Aleutian Islands Explanation 24 The river goes all the way north to the hook at the top and down to Louisiana. 25 Goes up and into Canada 26 River goes down towards the grand canyon and into Mexico 28 Missouri River goes down from Montana and ends at the big intersection of rivers 30 Goes through Virginia 44 Extends basically the entire height of California