Region
1848-1860
1
1860-1890
1
1890-1945
1
Allemagne
1
Boonesboro
1
Boonesboro (Ky.)
1
Bronx
1
Bronx (New York, N.Y.)
1
Canada, Ontario, Renfrew
1
Columbia
1
Columbia (Pa.)
1
Conococheague Creek Region (Pa.)
1
Dakota du Nord
2
Delaware River Estuary
1
Delaware River Region
1
Delaware River Region (N.Y.-Del. and N.J.)
1
Delaware, Baie de la (Del. et N.J.)
1
Elk
1
Elk County
2
Elk County (Pa.)
2
Europe
1
États-Unis
6
États-Unis (Est)
1
États-Unis (Nouveau Sud-Ouest)
1
États-Unis (Ouest)
6
Frankreich
1
Germany
1
Great Britain
1
Kansas
1
Kentucky
1
Lyon County
1
Lyon County (Kan.)
1
Maryland
1
Mexico
2
Mexique
2
Minnesota
1
Mississippi (Fleuve)
1
Mississippi River
1
Mississippi River Valley
1
Mississippi, Vallée du
1
Missouri River Valley
1
Missouri, Vallée du
1
Muskego Township (Wis.)
1
Neosho River Valley (Kan. and Okla.)
1
Neuengland
1
New England
3
New Southwest
1
New York
1
New York (N.Y.)
1
New York (State)
1
more ...