Miền
California
1
California, Gulf of
1
California, Gulf of (Mexico)
1
Catskill Mountains Region (N.Y.)
1
England
2
Germany
1
Great Britain
1
Hudson River Valley (N.Y. and N.J.)
1
Maine
2
Mexico
1
Mississippi
3
Nebraska
1
New England
2
New York (N.Y.)
2
Russia
1
Salinas River Valley (Calif.)
1
Southern States
2
Spain
1
United States
8