Region
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Highland Lakes
1
Houston
1
Houston Metropolitan Area
1
Houston Region
1
Houston, Lake
2
Hudson River Valley (N.Y. and N.J.)
1
Hueco Bolson
2
India
1
Interstate 35
1
Jackson County
1
Japan
1
Jujuy (Province)
1
Kentucky
1
Korea (South)
1
LLano Estacado
1
Lackland Air Force Base
1
Laguna Atascosa National Wildlife Refuge
1
Lake Houston
2
Lake Travis
1
Latin America
3
Lavaca Bay
1
Lavaca County
1
Llano Estacado
1
Louisiana
3
Lower Rio Grande Valley
2
Lower Rio Grande Valley (Tex.)
1
Matagorda Bay
1
Medina County
2
Medina Lake
1
Mexican-American Border Region
3
Mexico
17
Middle East
1
Middle West
1
Mississippi
1
Mississippi Embayment
2
Mississippi River Valley
10
Nacogdoches
1
Nacogdoches (Tex.)
1
Nashville
1
Naval Weapons Industrial Reserve Plant
1
Naval Weapons Industrial Reserve Plant (Dallas, Tex.)
1
New England
2
New Haven
1
New Mexico
3
New York
1
New York (State)
1
Nicaragua Canal (Nicaragua)
1
Nigeria
1
North America
2
Nueces River Watershed
2
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