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British Columbia
California
2
Canada
2
Iceland
2
Japan
2
"corking"
1
$16,101,270
1
77,026 people
1
Aa
1
Aeolian Buttes
1
Alaska
1
Alaska coast
1
Alteration channels
1
Andesite dikes
1
Auvergne
1
Axum
1
Ball-and-socket joints
1
Basalt lava flow
1
Breadcrust bomb
1
Bristol
1
Cantal volcano
1
Carmolli Brothers Quarry
1
Chisel marks
1
Clearwater River
1
Columbia River Basalts
1
Columnar joints
1
Cooling
1
Cooling flow
1
Cooling isotherms
1
Curving joints
1
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