area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 50102 | 1 | 73 | 1 | 8 | 1 | 494 | Broome-NY (42.13, 75.81) | Middlesex-MA (42.57, 71.03) | Crawford-PA (41.49, 80.52) |
2 | 5487 | 3 | 2 | 5 | 1 | 2 | 121 | Hancock-ME (44.88, 68.14) | Washington-ME (45.60, 67.45) | Hancock-ME (44.19, 68.90) |
3 | 4380 | 8 | 1 | 5 | 1 | 3 | 115 | Piscataquis-ME (45.80, 69.27) | Piscataquis-ME (45.01, 69.62) | Piscataquis-ME (46.57, 68.82) |
4 | 3225 | 2 | 3 | 2 | 2 | 4 | 92 | Essex-VT (44.74, 71.65) | Coos-NH (44.24, 71.04) | Orleans-VT (45.01, 72.55) |
5 | 1744 | 3 | 2 | 2 | 2 | 5 | 84 | Somerset-PA (39.73, 79.08) | Somerset-PA (40.24, 78.66) | Garrett-MD (39.21, 79.49) |
6 | 1138 | 3 | 2 | 2 | 2 | 7 | 53 | Sevier-TN (35.66, 83.59) | Sevier-TN (36.04, 83.66) | Swain-NC (35.28, 83.68) |
7 | 898 | 3 | 2 | 5 | 1 | 6 | 61 | Grayson-VA (36.75, 81.34) | Grayson-VA (36.56, 80.84) | Smyth-VA (36.93, 81.84) |
8 | 698 | 8 | 1 | 5 | 1 | 13 | 38 | Pendleton-WV (38.68, 79.33) | Pendleton-WV (38.96, 79.35) | Pendleton-WV (38.41, 79.31) |
9 | 561 | 8 | 1 | 5 | 1 | 8 | 44 | Cleburne-AL (33.69, 85.60) | Cleburne-AL (33.96, 85.40) | Cleburne-AL (33.47, 85.89) |
10 | 512 | 8 | 1 | 5 | 1 | 15 | 35 | Pickens-SC (34.85, 82.72) | Pickens-SC (34.62, 82.85) | Pickens-SC (35.07, 82.57) |
11 | 501 | 3 | 2 | 5 | 1 | 9 | 42 | Union-GA (34.82, 83.85) | Union-GA (34.65, 84.16) | Towns-GA (34.99, 83.55) |
12 | 494 | 8 | 1 | 5 | 1 | 10 | 40 | New Castle-DE (39.56, 75.61) | New Castle-DE (39.83, 75.47) | New Castle-DE (39.30, 75.76) |
13 | 468 | 8 | 1 | 5 | 1 | 11 | 39 | Harlan-KY (36.82, 83.17) | Harlan-KY (36.98, 82.87) | Harlan-KY (36.66, 83.46) |
14 | 467 | 8 | 1 | 5 | 1 | 16 | 31 | Logan-OH (40.38, 83.77) | Logan-OH (40.23, 83.55) | Logan-OH (40.54, 83.99) |
15 | 444 | 8 | 1 | 5 | 1 | 12 | 39 | Tishomingo-MS (34.73, 88.26) | Tishomingo-MS (34.46, 88.16) | Tishomingo-MS (35.00, 88.36) |
16 | 405 | 8 | 1 | 5 | 1 | 17 | 28 | Wayne-IN (39.87, 85.01) | Wayne-IN (40.01, 84.81) | Wayne-IN (39.72, 85.19) |
17 | 383 | 8 | 1 | 5 | 1 | 14 | 36 | Strafford-NH (43.33, 71.00) | Strafford-NH (43.57, 71.13) | Strafford-NH (43.08, 70.88) |
18 | 313 | 8 | 1 | 5 | 1 | 18 | 28 | Yancey-NC (35.89, 82.33) | Yancey-NC (36.08, 82.40) | Yancey-NC (35.70, 82.26) |
19 | 68 | 8 | 1 | 5 | 1 | 19 | 14 | City of Washington-DC (38.89, 77.04) | City of Washington-DC (38.79, 77.04) | City of Washington-DC (39.00, 77.04) |
20 | 43 | 8 | 1 | 5 | 1 | 20 | 9 | Roanoke city-VA (37.28, 79.96) | Roanoke city-VA (37.30, 79.88) | Roanoke city-VA (37.25, 80.04) |
floating glob radius (miles) | center county and point | county 1 and point | county 2 and point | county 3 and point |
1 | 77 | Dutchess-NY (41.71, 73.85) | Bennington-VT (42.75, 73.28) | Montgomery-NY (42.78, 74.29) | Atlantic Ocean (40.59, 73.76) |
2 | 28 | Washington-ME (44.88, 67.80) | Atlantic Ocean (44.48, 67.78) | Canada (45.16, 67.40) | Penobscot-ME (45.10, 68.27) |
3 | 22 | Piscataquis-ME (46.12, 69.28) | Somerset-ME (45.98, 69.68) | Penobscot-ME (46.12, 68.82) | Somerset-ME (46.12, 69.73) |
4 | 20 | Coos-NH (44.58, 71.44) | Caledonia-VT (44.61, 71.84) | Grafton-NH (44.41, 71.77) | Oxford-ME (44.59, 71.03) |
5 | 15 | Somerset-PA (39.91, 79.05) | Allegany-MD (39.72, 78.91) | Westmoreland-PA (40.11, 79.18) | Westmoreland-PA (40.05, 79.28) |
6 | 12 | Sevier-TN (35.62, 83.45) | Cocke-TN (35.71, 83.28) | Blount-TN (35.62, 83.66) | Jackson-NC (35.47, 83.35) |
7 | 11 | Smyth-VA (36.75, 81.47) | Washington-VA (36.64, 81.61) | Wythe-VA (36.81, 81.28) | Washington-VA (36.69, 81.65) |
8 | 12 | Pendleton-WV (38.65, 79.36) | Highland-VA (38.55, 79.54) | Rockingham-VA (38.60, 79.16) | Randolph-WV (38.75, 79.54) |
9 | 9 | Cleburne-AL (33.62, 85.49) | Randolph-AL (33.49, 85.49) | Carroll-GA (33.64, 85.34) | Calhoun-AL (33.65, 85.64) |
10 | 11 | Pickens-SC (34.89, 82.71) | Greenville-SC (35.01, 82.59) | Oconee-SC (34.90, 82.90) | Anderson-SC (34.76, 82.62) |
11 | 9 | Union-GA (34.86, 83.96) | Fannin-GA (34.89, 84.11) | Lumpkin-GA (34.74, 83.94) | Clay-NC (34.99, 83.96) |
12 | 7 | New Castle-DE (39.71, 75.64) | Salem-NJ (39.65, 75.54) | Salem-NJ (39.69, 75.51) | Chester-PA (39.77, 75.74) |
13 | 8 | Harlan-KY (36.84, 83.25) | Leslie-KY (36.95, 83.31) | Lee-VA (36.74, 83.21) | Lee-VA (36.78, 83.13) |
14 | 9 | Logan-OH (40.38, 83.71) | Hardin-OH (40.52, 83.70) | Champaign-OH (40.26, 83.78) | Union-OH (40.37, 83.54) |
15 | 7 | Tishomingo-MS (34.84, 88.24) | Lauderdale-AL (34.91, 88.15) | Alcorn-MS (34.84, 88.37) | Colbert-AL (34.83, 88.11) |
16 | 10 | Wayne-IN (39.87, 84.99) | Union-IN (39.73, 84.99) | Preble-OH (39.87, 84.81) | Randolph-IN (40.00, 84.99) |
17 | 6 | Strafford-NH (43.29, 71.07) | Belknap-NH (43.35, 71.17) | Rockingham-NH (43.22, 71.15) | York-ME (43.35, 70.97) |
18 | 7 | Yancey-NC (35.90, 82.30) | Buncombe-NC (35.82, 82.36) | Mitchell-NC (35.95, 82.20) | Mitchell-NC (35.99, 82.25) |
19 | 3 | City of Washington-DC (38.89, 76.99) | Prince George's-MD (38.92, 76.95) | Arlington-VA (38.87, 77.04) | Prince George's-MD (38.86, 76.95) |
20 | 3 | Roanoke city-VA (37.28, 79.97) | Roanoke-VA (37.32, 79.96) | Salem-VA (37.28, 80.01) | Roanoke-VA (37.28, 79.92) |