Regional : North_America : United_States : Science_and_Environment : Water_Resources : By_State :

By State

Connecticut@ (32)

Florida@ (20)

Idaho@ (1)

Illinois@ (13)

Louisiana@ (6)

Maine@ (15)

Maryland@ (4)

Massachusetts@ (30)

North Dakota@ (5)

Pennsylvania@ (5)

Tennessee@ (4)

Texas@ (27)

Vermont@ (10)

Wisconsin@ (6)