1
Wyoming, Montana, Idaho
Inscribed 1978
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2
Colorado
3
Arizona
Inscribed 1979
4
Pennsylvania
5
Florida
6
California
Inscribed 1980
7
Washington
Inscribed 1981
8
Kentucky
9
Illinois
Inscribed 1982
10
North Carolina, Tennessee
Inscribed 1983
11
Puerto Rico
12
Inscribed 1984
13
New York, New Jersey
14
New Mexico
Inscribed 1987
15
Virginia
16
Hawai’i
17
Alaska, Yukon, British Columbia
Inscribed 1979, 1992, 1994
18
Inscribed 1992
19
Inscribed 1995
20
Montana, Alberta
21
Inscribed 2010
22
Louisiana
Inscribed 2014
23
Texas
Inscribed 2015