Student World Atlas (Maailma atlas)
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Fall Line Fall Li ne
FALL LINE: A geologic feature where uplands meet lowlands and a § State boundary
series of waterfallsand rapids occur. Fall lin es are fo rm ed whe re a @ National capital
regio n of ha rd roc k borders softe r rock, and th e softer rock has 9 ft. Cityelevation
erode d away. The eros ion creates a led ge t hat wate r flows over. (3 m)
Feet Meters
A maj o r fall hne exists in t he easte rn Un ited States. It ma rks the
bou n da ry betw een th e Coastal Plain a nd t he Piedmont an d runs Above
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