| Site | Name | County | Lat | Lon | Range | Updated |
|---|---|---|---|---|---|---|
| 001 (1) | Rombauer MO | Butler, MO | 36.84367 | -90.26733 | 22 | 2009-03-03 |
| 004 (4) | Miner MO | New Madrid, MO | 36.81811 | -89.52425 | 22 | 2009-09-22 |
| 005 (5) | Stanley MO | Pemiscot, MO | 36.33617 | -89.70397 | 22 | 2008-09-21 |
| 006 (6) | Marble Hill MO | Bollinger, MO | 37.15525 | -90.03381 | 22 | 2008-09-21 |
| 101 (65) | Lorine AR | Randolph, AR | 36.30694 | -91.02028 | 22 | 2008-09-21 |
| 102 (66) | Piggott AR | Clay, AR | 36.25444 | -90.40972 | 22 | 2008-09-21 |
| 103 (67) | Marmaduke AR | Greene, AR | 36.25444 | -90.40972 | 22 | 2009-09-22 |
| 104 (68) | Pocahontas AR | Randolph, AR | 36.30694 | -91.02028 | 22 | 2023-06-29 |