| Spearfish,SD | Lawrence | South Dakota | - | - | - | - | 06/25/1997 |
| Custer State Park | Custer | South Dakota | - | - | - | - | 06/15/1998 |
| Highway 89, Black Hills National Forest | Custer | South Dakota | - | - | - | - | 06/29/1998 |
| South Dakota Single Tree Sites | Hughes | South Dakota | - | - | - | - | 01/01/2000 |
| South Carolina Single Tree Sites | Richland | South Carolina | 90.84 | - | 12.15 | - | 01/01/2000 |
| Tennessee Single Tree Sites | Davidson | Tennessee | 104.68 | - | 18.97 | - | 01/01/2000 |
| Utah Single Tree Sites | Salt Lake | Utah | - | - | - | - | 01/01/2000 |
| Virginia Single Tree Sites | Various | Virginia | 76.80 | - | 16.83 | - | 01/01/2000 |
| Wisconsin Single Tree Sites | Dane | Wisconsin | - | - | - | - | 01/01/2000 |
| Pennsylvania Single Tree Sites | Various Counties | Pennsylvania | 148.24 | 133.20 | 23.70 | 22.45 | 01/01/2000 |
| Ohio Single Tree Sites | Franklin | Ohio | 121.74 | 110.11 | 20.52 | 17.63 | 01/01/2000 |
| Washington County Single Tree Sites | Washington | Ohio | 78.42 | - | 6.40 | - | 01/01/2000 |
| Oregon Single Tree Sites | Marion | Oregon | - | - | - | - | 01/01/2000 |
| Arizona Single Tree Sites | Various | Arizona | 66.24 | - | 11.45 | - | 01/01/2000 |
| Iowa Single Tree Sites | Polk | Iowa | - | - | - | - | 01/01/2000 |
| Illinois Single Tree Sites | Sangamon | Illinois | 91.66 | 59.20 | 17.76 | 12.36 | 01/01/2000 |
| Indiana Single Tree Sites | Marion | Indiana | - | - | - | - | 01/01/2000 |
| Kentucky Single Tree Sites | Franklin | Kentucky | - | - | - | - | 01/01/2000 |
| Louisiana Single Tree Sites | East Baton Rouge Parish | Louisiana | - | - | - | - | 01/01/2000 |
| Minnesota Single Tree Sites | Ramsey | Minnesota | - | - | - | - | 01/01/2000 |
| Montana Single Tree Sites | Lewis And Clark | Montana | - | - | - | - | 01/01/2000 |
| North Carolina Single Tree Sites | Wake | North Carolina | 148.74 | 128.74 | 20.80 | 17.78 | 01/01/2000 |
| Wood County Historical Trees | Wood | West Virginia | 86.18 | 80.36 | 13.57 | 12.36 | 01/01/2000 |
| West Virginia Single Tree Sites | Various Counties | West Virginia | 145.62 | 137.06 | 24.53 | 22.44 | 01/01/2000 |
| West Virginia Historical Trees | Various Counties | West Virginia | 144.50 | 126.24 | 22.47 | 20.04 | 01/01/2000 |
| Ontario Single Tree Sites | Toronto Division | Ontario | 105.36 | - | 10.92 | - | 01/01/2000 |
| Oaxaca Single Tree Sites | Oaxaca | Oaxaca | 96.38 | - | 10.13 | - | 01/01/2000 |
| Maine Single Tree Sites | Kennebec | Maine | - | - | - | - | 01/02/2000 |
| New York Single Tree Sites | Albany | New York | 126.99 | 114.59 | 20.82 | 18.07 | 02/01/2000 |
| Connecticut Single Tree Sites | Various | Connecticut | 102.70 | - | 20.65 | - | 06/01/2000 |
| Colorado Single Tree Sites | Denver | Colorado | 114.38 | - | 12.90 | - | 07/01/2000 |
| Arkansas Single Tree Sites | Pulaski | Arkansas | - | - | - | - | 01/01/2001 |
| Alabama Single Tree Sites | Montgomery | Alabama | 91.26 | - | 15.03 | - | 01/01/2001 |
| Massachusetts Single Tree Sites | Suffolk | Massachusetts | 110.86 | 101.75 | 17.27 | 15.00 | 01/01/2001 |
| Michigan Single Tree Sites | Ingham | Michigan | - | - | - | - | 01/01/2001 |
| Mississippi Single Tree Sites | Hinds | Mississippi | 76.02 | - | 8.98 | - | 01/01/2001 |
| New Jersey Single Tree Sites | Mercer | New Jersey | 72.00 | 36.00 | 21.60 | 18.95 | 01/01/2001 |
| Washington Single Tree Sites | Thurston | Washington | - | - | - | - | 01/01/2001 |
| California Single Tree Sites | Sacramento | California | 164.08 | - | 14.92 | - | 01/02/2001 |
| Florida Single Tree Sites | Leon | Florida | - | - | - | - | 01/20/2001 |
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