Region
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Anacapa Island (Calif.)
1
Anchorage
1
Anderson Site
1
Anderson Site (Tenn.)
1
Andes Region
2
Andover
1
Angel Mounds State Historic Site (Ind.)
1
Antiquities
2
Apache County
1
Apache Tribe of Oklahoma
1
Apalachicola River Valley
1
Apalachicola River Valley (Fla.)
1
Appalachian Region
1
Appalachian Region, Southern
5
Aravaipa Canyon
2
Aravaipa Canyon (Ariz.)
2
Arch Lake Site (N.M.)
1
Arches National Park
1
Arches National Park (Utah)
1
Arctic Coast (Canada)
1
Arctic regions
4
Argentina
1
Arizona
172
Arkansas
14
Arkansas Post (Ark.)
2
Arkansas River
4
Arkansas River Valley
3
Arroyo Hondo Site
1
Arroyo Hondo Site (N.M.)
2
Arundel
1
Asia
1
Assiniboine River (Sask. and Man.)
2
Astoria (Or.)
3
Atchafalaya River Valley (La.)
1
Athabasca River
1
Athabasca River Watershed
1
Athabasca River Watershed (Alta.)
1
Athabasca Tar Sands (Alta.)
1
Atlantic Coast
3
Atlantic Coast (Fla.)
1
Atlantic Coast (Ga.)
1
Atlantic Coast (N.C.)
1
Atlantic Coast (North America)
2
Atlantic Coast (S.C.)
2
Atlantic Coast (South Atlantic States)
1
Atlantic Coast (U.S.)
1
Atlantic Ocean
2
Atlantic Provinces
2
Atlantic States
4
Attawapiskat Indian Reserve No. 91 (Ont.)
2
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