area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 26097 | 8 | 2 | 4 | 1 | 2 | 278 | Elko-NV (40.35, 115.50) | Elko-NV (42.00, 117.02) | White Pine-NV (38.68, 114.05) |
2 | 22059 | 1 | 6 | 4 | 1 | 1 | 289 | San Luis Obispo-CA (35.22, 120.14) | Monterey-CA (36.91, 121.75) | Ventura-CA (33.17, 119.41) |
3 | 13472 | 13 | 1 | 4 | 1 | 4 | 207 | Coconino-AZ (35.63, 113.30) | Mohave-AZ (37.00, 112.54) | Mohave-AZ (34.26, 114.04) |
4 | 10015 | 5 | 3 | 4 | 1 | 7 | 143 | Shasta-CA (40.59, 122.45) | Trinity-CA (39.98, 123.54) | Shasta-CA (41.18, 121.33) |
5 | 8413 | 5 | 3 | 4 | 1 | 6 | 155 | Emery-UT (38.98, 110.87) | Wayne-UT (38.15, 111.84) | Carbon-UT (39.81, 109.88) |
6 | 7418 | 8 | 2 | 4 | 1 | 5 | 205 | no county here (20.31, 156.07) | Maui-HI (21.25, 157.30) | Hawaii-HI (19.45, 154.77) |
7 | 6013 | 4 | 4 | 1 | 2 | 3 | 242 | Alpine-CA (38.41, 119.70) | Mono-CA (37.46, 117.83) | Yuba-CA (39.32, 121.61) |
8 | 5058 | 8 | 2 | 4 | 1 | 8 | 142 | San Diego-CA (33.29, 117.03) | Orange-CA (33.95, 117.98) | San Diego-CA (32.62, 116.11) |
9 | 3814 | 13 | 1 | 4 | 1 | 11 | 106 | Culberson-TX (31.33, 104.47) | Culberson-TX (30.66, 104.92) | Culberson-TX (32.00, 104.02) |
10 | 3359 | 3 | 5 | 4 | 1 | 12 | 82 | Erie-NY (42.98, 78.55) | Erie-NY (42.61, 79.19) | Orleans-NY (43.42, 78.00) |
11 | 2789 | 1 | 6 | 1 | 2 | 9 | 137 | Suffolk-NY (40.87, 73.05) | Richmond-NY (40.50, 74.26) | Suffolk-NY (41.23, 71.83) |
12 | 2786 | 13 | 1 | 4 | 1 | 10 | 112 | Pennington-SD (44.12, 102.99) | Pennington-SD (44.51, 102.00) | Pennington-SD (43.85, 104.06) |
13 | 2690 | 8 | 2 | 4 | 1 | 13 | 81 | El Paso-CO (38.83, 104.69) | Teller-CO (39.13, 105.33) | El Paso-CO (38.52, 104.05) |
14 | 2217 | 13 | 1 | 4 | 1 | 15 | 72 | Miami-Dade-FL (25.58, 80.50) | Miami-Dade-FL (25.18, 80.86) | Miami-Dade-FL (25.98, 80.12) |
15 | 1806 | 13 | 1 | 4 | 1 | 14 | 77 | Pierce-WA (47.10, 122.12) | Pierce-WA (47.40, 122.80) | Pierce-WA (46.79, 121.44) |
16 | 1218 | 13 | 1 | 4 | 1 | 17 | 59 | Slope-ND (46.45, 103.49) | Slope-ND (46.63, 102.93) | Slope-ND (46.28, 104.05) |
17 | 828 | 5 | 3 | 1 | 2 | 16 | 71 | Salem-NJ (39.71, 75.36) | Philadelphia-PA (40.12, 74.96) | New Castle-DE (39.30, 75.76) |
18 | 689 | 13 | 1 | 4 | 1 | 21 | 41 | Columbia-OR (45.94, 123.06) | Columbia-OR (45.73, 122.76) | Columbia-OR (46.15, 123.36) |
19 | 679 | 13 | 1 | 4 | 1 | 18 | 50 | Martin-FL (27.00, 80.48) | Martin-FL (26.96, 80.89) | Martin-FL (26.97, 80.08) |
20 | 619 | 13 | 1 | 4 | 1 | 19 | 43 | Jo Daviess-IL (42.35, 90.29) | Jo Daviess-IL (42.49, 90.66) | Jo Daviess-IL (42.20, 89.92) |
21 | 501 | 8 | 2 | 4 | 1 | 20 | 42 | Union-GA (34.82, 83.85) | Union-GA (34.65, 84.16) | Towns-GA (34.99, 83.55) |
22 | 383 | 13 | 1 | 4 | 1 | 22 | 32 | Lake-CO (39.22, 106.36) | Lake-CO (39.38, 106.14) | Lake-CO (39.06, 106.58) |
23 | 92 | 13 | 1 | 4 | 1 | 23 | 15 | Baltimore City-MD (39.29, 76.62) | Baltimore City-MD (39.20, 76.55) | Baltimore City-MD (39.37, 76.71) |
floating glob radius (miles) | center county and point | county 1 and point | county 2 and point | county 3 and point |
1 | 56 | Elko-NV (41.19, 115.11) | Owyhee-ID (42.00, 115.11) | Eureka-NV (41.00, 116.16) | Box Elder-UT (41.19, 114.04) |
2 | 49 | San Luis Obispo-CA (35.08, 119.72) | Pacific Ocean (34.40, 120.01) | Pacific Ocean (34.37, 119.65) | Kings-CA (35.79, 119.73) |
3 | 37 | Mohave-AZ (35.51, 113.98) | Clark-NV (35.36, 114.61) | Yavapai-AZ (35.51, 113.33) | Clark-NV (36.02, 114.15) |
4 | 45 | Shasta-CA (40.50, 122.35) | Butte-CA (39.88, 122.05) | Plumas-CA (40.43, 121.50) | Siskiyou-CA (40.99, 122.92) |
5 | 32 | Emery-UT (39.28, 110.70) | Grand-UT (39.15, 110.12) | Sanpete-UT (39.47, 111.25) | Sanpete-UT (39.28, 111.30) |
6 | 33 | Hawaii-HI (19.65, 155.52) | Pacific Ocean (19.44, 155.98) | Pacific Ocean (19.79, 155.03) | Pacific Ocean (20.08, 155.29) |
7 | 18 | Mono-CA (37.78, 118.76) | Madera-CA (37.68, 119.06) | Fresno-CA (37.55, 118.92) | Mineral-NV (37.97, 118.53) |
8 | 30 | San Diego-CA (33.00, 116.76) | Riverside-CA (33.43, 116.76) | Pacific Ocean (32.91, 117.26) | Mexico (32.57, 116.70) |
9 | 25 | Culberson-TX (31.63, 104.49) | Eddy-NM (32.00, 104.48) | Hudspeth-TX (31.63, 104.91) | Reeves-TX (31.61, 104.06) |
10 | 24 | Genesee-NY (42.97, 78.43) | Livingston-NY (42.91, 77.96) | Monroe-NY (43.13, 78.00) | Canada (42.92, 78.91) |
11 | 13 | Suffolk-NY (40.82, 73.26) | Fairfield-CT (41.01, 73.33) | Atlantic Ocean (40.63, 73.31) | Atlantic Ocean (40.64, 73.19) |
12 | 16 | Pennington-SD (43.92, 102.33) | Meade-SD (44.14, 102.39) | Shannon-SD (43.69, 102.34) | Jackson-SD (43.92, 102.02) |
13 | 21 | El Paso-CO (38.82, 104.62) | Elbert-CO (39.13, 104.62) | Fremont-CO (38.65, 104.94) | Pueblo-CO (38.52, 104.62) |
14 | 22 | Miami-Dade-FL (25.64, 80.52) | Atlantic Ocean (25.60, 80.17) | Broward-FL (25.96, 80.52) | Monroe-FL (25.64, 80.87) |
15 | 14 | Pierce-WA (46.96, 122.07) | King-WA (47.14, 121.94) | Thurston-WA (46.83, 122.30) | Lewis-WA (46.75, 122.08) |
16 | 12 | Slope-ND (46.45, 103.52) | Billings-ND (46.63, 103.52) | Bowman-ND (46.28, 103.52) | Bowman-ND (46.28, 103.52) |
17 | 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) |
18 | 12 | Columbia-OR (45.96, 123.11) | Clatsop-OR (45.96, 123.36) | Washington-OR (45.78, 123.11) | Cowlitz-WA (46.03, 122.88) |
19 | 9 | Martin-FL (27.08, 80.27) | Saint Lucie-FL (27.21, 80.29) | Palm Beach-FL (26.96, 80.28) | Atlantic Ocean (27.12, 80.14) |
20 | 11 | Jo Daviess-IL (42.35, 90.21) | Carroll-IL (42.20, 90.20) | Lafayette-WI (42.51, 90.21) | Jackson-IA (42.32, 90.42) |
21 | 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) |
22 | 8 | Lake-CO (39.18, 106.34) | Pitkin-CO (39.20, 106.49) | Chaffee-CO (39.06, 106.34) | Park-CO (39.19, 106.19) |
23 | 4 | Baltimore City-MD (39.31, 76.61) | Baltimore-MD (39.37, 76.61) | Baltimore-MD (39.25, 76.65) | Baltimore-MD (39.31, 76.53) |