Region
Appalachian Basin
7
Mexico
2
North Atlantic Ocean
2
Southwest, New
2
Southwestern States
2
Black Hills (S.D. and Wyo.)
1
Clark County
1
Garfield County
1
Grand Banks of Newfoundland
1
Kaiparowits Plateau Region
1
Kane County
1
Labrador (N.L.)
1
Labrador Sea
1
Michigan Basin (Mich. and Ont.)
1
Nevada
1
Newfoundland and Labrador
1
Northwest, Pacific
1
Northwestern States
1
Nova Scotia
1
Oregon
1
Queen Elizabeth Islands (Nunavut and N.W.T.)
1
Sable Island Bank
1
San Juan County
1
Utah
1
Washington (State)
1
Wyoming
1