.Click to go back..
Principal Meridians
Click to go forward

 

Meridian Name
Adopted
For the state(s) of:
1
Black Hills
1878
South Dakota
2
Boise
1867
Idaho
3
Chickasaw
1833
Mississippi
4
Choctaw
1821
Mississippi
5
Cimarron
1881
Oklahoma
6
Copper River
1905
Alaska
7
Fairbanks
1910
Alaska
8
Fifth Principal
1815
Arkansas, Iowa, Minnesota, Missouri, North Dakota, and South Dakota
9
First Principal
1918
Ohio and Indiana
10
Fourth Principal
1815
1831
Illinois
Minnesota and Wisconsin
11
Gila and Salt River
1865
Arizona
12
Humboldt
1853
California
13
Huntsville
1807
Alabama and Mississippi
14
Indian
1870
Oklahoma
15
Kateel River
1956
Alaska
16
Louisiana
1807
Louisiana
17
Michigan
1815
Michigan and Ohio
17
Mount Diablo
1851
California and Nevada
19
Navajo
1869
Arizona
20
New Mexico Principal
1855
Colorado and New Mexico
21
Principal
1867
Montana
22
Salt Lake
1855
Utah
23
San Bernardino
1852
Arizona and California
24
Second Principal
1805
Illinois and Indiana
25
Seward
1911
Alaska
26
Sixth Principal
1855
Colorado, Kansas, Nebraska, South Dakota, and Wyoming
27
St. Helena
1819
Louisiana
28
St. Stephens
1805
Alabama and Mississippi
29
Tallahassee
1824
Florida and Alabama
30
Third Principal
1805
Illinois
31
Uintah
1875
Utah
32
Umait
1956
Alaska
33
Ute
1880
Colorado
34
Washington
1803
Mississippi
35
Willamette
1851
Oregon and Washington
36
Wind River
1875
Wyoming
Click to go forward