Unit 1 Louisiana’s Physical and Cultural Geography – Flashcards
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mud lumps
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mound like formations found at the mouth of a river forced to the surface by pressure (weight) from depositing sediment
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point bar
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sediment builds up in the turn of a river that causes it to erode the opposite bank
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sedimentary rock
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all rock native to Louisiana is this type of rock
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global warming
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gradual rise in earth's temperature
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coastal erosion
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Louisiana's coastline is disappearing at 35 square miles per year. An unintended consequence of environmental modifications such as building levees on rivers and cutting channels through the wetlands. May eventually force many in south Louisiana to relocate as their land is submerged into the Gulf of Mexico. Coastal erosion may hinder economic development as insurance costs rise in areas less protected from the full force of hurricanes. It makes the inhabited inland areas, such as New Orleans, more vulnerable to damage from hurricanes by reducing the natural windbreak and the distance from the city to the Gulf of Mexico.
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chenier
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ridges of high ground in the coastal area that run parallel to the coastline
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lagoon
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a shallow body of water that is separate from a larger one
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fault
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cracks in the earth's surface
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salt domes
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remainders of ancient sea that once covered Louisiana, for example Avery Island
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water table
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the depth at which water is located
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continental shelf
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the edge of a landmass where the gulf's floor drops off into very deep water
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coastal plain
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flat land built up by river sediment
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sediment
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particles of dirt and sand carried by water
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continental drift
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the breakup of Pangaea (ancient super continent) and spread out of the continents
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tectonic forces
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created when landmasses split apart and collide again. (form mountains, continents and reefs)
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barrier islands
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islands that are parallel to the shore, built up by waves and currents (protect from storm surge, flooding, saltwater intrusion)
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brakish
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mixture of fresh and salt water
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bar
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underwater barrier of mud that interferes with a rivers flow
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delta
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formed when a river flows into an ocean (looks like a crows foot)
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loess
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windblown sediments
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aquifer
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underground reservoir of water
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meanders
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snake-like loops and turns in the Mississippi River, common to old rivers, form as the river slows and silt is deposited.
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terraces
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old riverbeds that are naturally elevated
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natural levee
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strips of elevated land along a river
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oxbow lake
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the ends of an old meander that close up; formed when clay plugs form and the river bypasses an old meander
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saltwater intrusion
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salt water movement into a marsh, caused by coastal erosion; unintended consequence of channels in the wetlands was to allow more salt water into the wetlands, contributing to the death of plants and the loss of land
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wetlands
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marshes, swamps, or other kinds of land that are damp or covered with water
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floodplain
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land, where waters of a river spill over.
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elevation
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height of something above see level
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population
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number of people living in an area
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Why is the Mississippi river important in Louisiana
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1. The floodplain is a source of fertile soil to grow crops. 2. Trade (domestic and international) - ports Baton Rouge and New Orleans 3. The land of the delta is constantly changing.
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Mississippi River Delta
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An area of land at the mouth of a river, where it enters a large body of water; constantly changes and new land forms as silt builds up at the mouth
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Baton Rouge
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The capital of Louisiana, where our state's government is located.
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New Orleans
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One of the largest ports in the world.The first known effort to control flooding on the Mississippi River was done by the French as they built the city in 1717.
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Why are wetlands important to Louisiana
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homes to many kinds of animals and plants, economic importance as sources of seafood, protection against storms
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Driskill Mountain
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Located in Northern Louisiana. Has the highest elevation on our state (535 feet).
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Where is the lowest point (lowest elevation) in Louisiana
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New Orleans, it is 5 feet below sea level.
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Bayou Teche
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Known for its natural beauty and history. Legend says it was created by the twists and turns of a giant snake
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population map
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Shows the number of people living in different areas. Helps you see places with large and small populations
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Review the Louisiana map
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Atchafalaya River, Gulf of Mexico, Lake Pontchartrain, Mississippi River, Perl River, Red river, Sabine river, Shreveport, Monroe, Alexandria, Lake Charles, Lafayette, Baton Rouge, New Orleans
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marsh
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Very wet land, covered with grasses.
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swamp
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A body of water, like marsh, but it has trees and very little grass.
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Name five regions of Louisiana
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1. Sportsman's Paradise 2. Crossroads 3. Cajun Country (South Coastal Marshes) 4. Plantation Country 5. Greater New Orleans
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Cajun and Creole
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The food most identified with Louisiana
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gumbo
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the African word for "okra" that we use to describe a soup made of seafood, chicken and other ingredients, derived from African dish
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Acadians
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The group of people who were forced to leave their land because they refused to take an oath of allegiance to the King of England
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Zydeco
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kind of music that developed from African; French speaking African American of South Louisiana
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The Louisiana bayous offered all of the following advantages to the Cajun people who lived there were
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natural protection against outsiders, source of food and building materials, and means of transportation for trade
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Germans
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In south Louisiana, immigrants came directly from their homeland and settled on the "German Coast" area of the Mississippi River to farm; culture associated with Oktober Fest
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Mardi Gras
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carnival in New Orleans, big tourist attraction started in Europe and was brought to Louisiana by the first French explorers which ushers in the religious season of Lent...40 days before Easter
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Which waterways form Louisiana's natural boundaries?
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Gulf of Mexico, Mississippi River, Pearl River (east), Sabine River (west)
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cultural diffusion
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spreading of one's culture; he expansion and adoption of a cultural elements, from its place of origin to a wider area.
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culture
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way of life of a group of people
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Catholic
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first religion of Louisiana, prevalent in Cajun Country, Greater New Orleans and Plantation country
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jazz
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improvised music with strong rhythms and syncopation; combines African and European influences to create a uniquely American art form.
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blues
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black follk music
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fais-do-do
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cajun dance
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spirituals
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sacred folk songs of African Americans
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Jambalaya
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spicy dish of rice and meat - Cajun
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region
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area defined by similar features
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Sportsman's Paradise Region
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North Loiuisiana, Monroe, Shreveport, mostly uplands, many lakes, rolling hills and pine forests (Piney Hills), Driskill Mountain, Red River, settled by English-speaking protestants
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Crossroads Region
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center of LA, cultural mix of North and South, Alexandria, rural and urban, Red River Valley, deciduous trees, natural levees, floodplains, Kisatchie National Forest, "No man's land" (wasn't included in original LA purchase)
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Cajun Country
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spreads over a triangle in southwest Louisiana, , Lake Charles, Houma, Lafayette, prairies, bayous,marshes, swamps, barrier islands, French Canadians Catholics moved from Canada, Cajun French is still spoken, spicy food, zydeco, gumbo, spicy food
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Plantation Country
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The area along the Mississippi River where Baton Rouge is the main city. Spanish moss and plantations are symbols of this region. Swamps, bayous, mix of trees, majority of LA old plantations with unique history
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Greater New Orleans Region
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Swamps, marshes, bayous, Miss. River Delta, cheniers. Mix of diverse culture (Spanish, French, African), Catholics, rich history (battle of New Orleans), big port, Mardi Gras, French Quarter, Jazz, voodoo
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Islenos
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Hispanic culture of people are descended from Canary Islands; enticed by the Spanish colonial government to settle in Louisiana to reinforce the Spanish presence in the formerly French colony.
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Creoles
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0riginally meant a person of French ancestry born in a colony; later referred to persons of mixed French and African-American heritage.
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free people of color
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Africans who were free during the years of slavery..gens de couleur libre
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unintended consequences
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People change their environment. Sometimes these modifications to the environment have ___.
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levee
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Building a ___ to stop a river from flooding is an intentional environmental modification.
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channels
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Oil companies cut channels through the wetlands. That allows for saltwater intrusion and contributes to destruction of marshes and coastal erosion
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systems
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When people make changes in complex ___ such as the environment or the economy the harm caused by unintended consequences may be greater than the benefits received over the long term.
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cultural geography
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a study of how people have interacted with, changed and adapted to different places on Earth
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consequences
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The impacts of human inhabitants may be deliberate or accidental. Many human attempts at changing the landscape have unintended ___.
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lowlands
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The ___ were formed in the Holocene Epoch, at the end of the last ice age, when glaciers melted and sea levels rose.
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uplands
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The older part of Louisiana, formed during the Mesozoic (250 m.y.a. to 65 m.y.a.) and Cenozoic Eras (65 m.y.a to the present).
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Chenier Plain
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A twenty mile wide strip along the Gulf Coast from Marsh Island to the Sabine River.
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Deltaic Plain
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The coastline of southeast Louisiana from Pearl River to Marsh Island.
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distributary
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the branch of a river that flows away from the main stream (for example, Atchafalaya)
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lobes
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deltas formed as the Mississippi River switched its route to the Gulf
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Atchafalaya Delta
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Today the ___ is over 76 square miles and growing. It is an exception to the coastal erosion on other places in the Deltaic Plain and Chenier Plain.
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How many gallons of water Mississippi River discharges per day
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420 billion gallons of water per day
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Itasca
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The Mississippi River runs from Lake ___ in Minnesota to the Gulf of Mexico.
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April
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The Mississippi River annually floods. The River is highest in ___ most years. The annual flooding is caused by melting snow and spring rain. The Mississippi River is at its lowest in October.
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Army Corps of Engineers
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Today the U.S. ___ prevents changes on the course of the Mississippi River.
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thalweg
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The line connecting the deepest part of the river is called a "___."
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towhead
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A "___ island" forms when the river partially flows through a meander and partially through a "chute cutoff."
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Pleistocene
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The ___ Entrenchment is the soil deposited around 18,000 years ago when the ice age caused the sea level to drop. The ___ Entrenchment is around 400 feet below the present sea level.
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glaciers
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The Mississippi River Alluvial Plain includes some elevated areas formed by materials deposited as ___ retreated during the last ice age.
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Macon
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The ___ Ridge is one elevated area formed by debris deposited by glaciers in the last ice age.
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Bastrop
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The ___ Hills were formed by material left behind by glaciers.
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spillways
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After the 1927 flood the U.S. Army Corps of Engineers added ___ to the levee system. They connect river to the marsh, so the water from the river can flow to the marsh to relieve flooding (and build marsh sediment, but that's not proven yet)
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Red River
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currently a tributary of the Mississippi River, but in the past has gone straight to the Gulf of Mexico. Important trading river for Northwest Louisiana
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African-Americans
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First brought to north Louisiana as slaves to work on cotton plantations; Many in New Orleans, slave and free, worked on the docks and as laborers. Some were entrepreneurs and musicians.
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Anglo-Americans
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Pioneers, many came to north Louisiana to grow cotton before the Civil War
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Scotch-Irish
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Also pioneers, many of these Celtic people came to north Louisiana to grow cotton before the Civil War
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French
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The first European settlers of north Louisiana. Settled around Natchitoches to trade pelts and grow sugar cane. New Orleans was also established by French settlers over forty years before the Acadians arrived in South Louisiana.
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prairies
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The cultural subregions of South Louisiana include this flat area.
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Jews
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German immigrants to New Orleans included Protestants, Catholics, and ___. Many were skilled tradesmen and entrepreneurs.
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Irish
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___ immigrants were hired to dig canals because the work was considered too dangerous for expensive slaves.
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Italian
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Early ___ immigrants in New Orleans often took on French versions of their last names. They had a mutual aid society in New Orleans by 1843. The largest wave of their immigration was from 1890 to 1910.
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cultural diversity
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A diversity of different ethnics, cultures, and races in an area. Louisiana's culture is a model of cultural diversity and cultural diffusion
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Dede
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Edmond ___ was an African-American classical composer in 19th century New Orleans.
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Hunter
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Folk artists such as Clementine ___ created interest in Louisiana's art and culture. Her paintings attract tourists to Melrose Plantation just outside Natchitoches.
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JazzFest
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The New Orleans Jazz & Heritage Festival is a large annual music festival in New Orleans. Thousands of tourists attend. It is better known as...
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International trade
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has always been important to economic growth in Louisiana. For example, raw coffee beans imported from Latin America are roasted in New Orleans.
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Iberville
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___ was sent by Louis XIV to establish a colony at the mouth of the Mississippi to enforce French claims on the region.
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Mississippi River
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Most early European settlement in Louisiana was on this river or its tributaries, such as the Red River and the Cane River. Trade on this river is the main contributing factor to economic development in Louisiana history
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Shreveport
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Captain Henry Miller Shreve cleared the log raft (jam) on the Red River and established ___ in 1838.
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Natchitoches
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___ was built on the Cane River (the Red River) in 1714.
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Neutral Strip
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In 1806 the treacherous American General James Wilkinson (secretly employed as a Spanish agent) negotiated an agreement with his Spanish counterpart to create a "___" between the Sabine River and the Arroyo Hondo as a buffer zone to prevent a war between the United States and Spain.
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tributary
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smaller river that flows into main river, for example Red River is a tributary to Mississippi River