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Landforms of Louisiana
GLE #2
Copyright 2007 by Paul Blankenship
Permission is granted to teachers to copy for classroom use
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Across
4. The flatlands formed around a meandering river are called the ____ Plain
6. Earthworks built to contain rivers and prevent flooding
10. Land loss in Louisiana is called...
11. The ___ Hills includes Shreveport
13. The site of a salt dome that provides the mineral ingredient for Tabasco
14. The name for land that cuts off a river from an oxbow lake
17. The river that runs by an oxbow lake
18. The name for salt found in a salt dome
19. Small islands found only in the Mississippi delta area; they expel gas from decaying vegetation and create mini mud "volcanoes"
20. The high land overlooking a meander belt
22. An ice age during this epoch (ca. 18,000 years ago) caused the sea level to lower and the Mississippi River to entrench 400 feet below the present sea level
24. The southern edge of Louisiana; it includes salt domes
25. A tree common to backswamps
Down
1. The plain formed by deposits from the Mississippi River
2. The poltically-correct name for swamps
3. This Captain and inventor created his own meander cutoff in the Mississippi to same time on steamship runs
5. The Jurassic-era layer of salt about 8 miles under Louisiana that gives rise to salt domes is called the ___ Salt Layer
7. Deep zones in a river, usually at the outer edges of a meander
8. The highest point in Louisiana at 535 ft. is this "mountain"
9. Wind-deposited silt; is is nearly 100 feet thick near Natchez and Vickburg in Mississippi and is found near Bastrop Hills and Macon Ridge in Louisiana; these deposits date to the Pleistocene Era
12. An island formed when a river begins to bypass a meander
15. A line connecting the deepest parts of a river channel
16. The main channel and distributaries of the Mississippi River comprise the...
21. Consists of sediments deposited by a river at its mouth
23. The coastal area of Louisiana is mainly...
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