Region
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India, Northeastern
1
Italy
1
Lower Rio Grande Valley
1
Lower Rio Grande Valley (Tex.)
1
Mexico, North
1
Middle East
1
Minnesota
1
Montana
1
Netherlands
1
Nigeria
1
Oder-Neisse Line (Germany and Poland)
1
Oman
1
Organ Mountains Wilderness (N.M.)
1
Persian Gulf Region
1
Rio Grande (Colo.-Mexico and Tex.)
1
Rio Grande Valley (Colo.-Mexico and Tex.)
1
San Diego
1
South Asia
1
Tucson Region
1
Ukraine
1
United Arab Emirates
1