Version 1.4a 2-3-1998
TOBIN International, Ltd.
1560 Broadway, Suite 903
Denver, Colorado 80202
(303) 831-3555
| Code | Meridian |
| 1 | 1st Principal 1819 | 2 | 2nd Principal 1805 |
| 3 | 3rd Principal 1805 |
| 4 | 4th Principal 1815 |
| 5 | 5th Principal 1815 |
| 6 | 6th Principal 1855 |
| 7 | Black Hills 1878 |
| 8 | Boise 1867 |
| 9 | Chichasaw 1833 |
| 10 | Choctaw 1821 |
| 11 | Cimarron 1881 |
| 12 | Copper River 1905 |
| 13 | Fairbanks 1910 |
| 14 | Gila and Salt Lake 1865 |
| 15 | Humboldt 1853 |
| 16 | Huntsville 1807 |
| 17 | Indian 1870 |
| 18 | Louisiana 1807 |
| 19 | Michigan 1815 |
| 20 | Montana 1867 |
| 21 | Mount Diablo 1851 |
| 22 | Navajo 1869 |
| 23 | New Mexico 1855 |
| 24 | St. Helena 1819 |
| 25 | St. Stephens 1805 |
| 26 | Salt Lake 1855 |
| 27 | San Bernardino 1852 |
| 28 | Seward 1911 |
| 29 | Tallahassee 1824 |
| 30 | Uinta 1875 |
| 31 | Ute 1880 |
| 32 | Washington 1803 |
| 33 | Willamette 1851 |
| 34 | Wind River 1875 |
| 35 | Ohio River Survey |
| 36 | Between the Miamis 1802 |
| 37 | Muskingum River 1800 |
| 39 | Scioto River 1799 |
| 40 | Second Scioto River 1799 |
| 41 | Third Scioto River 1799 |
| 42 | Ellicott's Line 1785 |
| 43 | Twelve Miles Square 1805 |
| 44 | Kateel River 1956 |
| 45 | Umiat 1956 |
| 46 | 4th Principal Extended Meridian 1831 |
| 47 | West of the Great Miami 1798 |
| 48 | US Military Survey (Ohio) 1797 |
| 65 | First Principal Meridian 1799 |
| 68 | Symmes Purchase/Miami 1802 |
| 70 | UTE Line (Colorado) |
| 71 | Tennessee |
| 72 | Kentucky |
| 74 | Sisseton Indian Reservation (ND) |
| 87 | Sisseton Indian Reservation (SD) |
| 91 | Connecticut WesternReserve |
| 92 | Ohio Company Purchase |
| 99 | Not Public Land Survey |
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