Threshold (mi²)
|
Area (mi²)
|
State
|
2,000
|
2,488.72
|
Delaware
|
5,000
|
5,543.41
|
Connecticut
|
10,000
|
10,554.39
|
Massachusetts
|
20,000
|
24,230.04
|
West Virginia
|
30,000
|
32,020.49
|
South Carolina
|
40,000
|
40,407.80
|
Kentucky
|
50,000
|
52,378.13
|
Louisiana
|
|
Threshold (mi²)
|
Area (mi²)
|
State
|
60,000
|
65,496.38
|
Wisconsin
|
70,000
|
70,698.32
|
North Dakota
|
80,000
|
82,278.36
|
Kansas
|
90,000
|
96,713.51
|
Michigan
|
100,000
|
104,093.67
|
Colorado
|
200,000
|
268,596.46
|
Texas
|
500,000
|
665,384.04
|
Alaska
|
|