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South Dakota
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Custer State Park
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Grace Basin
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Aquarium, The
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Merman Boulder
Merman Boulder
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2 climbs · Custer, SD
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Climbs (2)
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Boulder
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Route grade
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5.0
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
5.10a
5.10b
5.10c
5.10d
5.11a
5.11b
5.11c
5.11d
5.12a
5.12b
5.12c
5.12d
5.13a
5.13b
5.13c
5.13d
5.14a
5.14b
5.14c
5.14d
5.15a
5.15b
5.15c
5.15d
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Any
5.0
5.1
5.2
5.3
5.4
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5.6
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5.8
5.9
5.10a
5.10b
5.10c
5.10d
5.11a
5.11b
5.11c
5.11d
5.12a
5.12b
5.12c
5.12d
5.13a
5.13b
5.13c
5.13d
5.14a
5.14b
5.14c
5.14d
5.15a
5.15b
5.15c
5.15d
Boulder grade
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V-easy
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Any
V-easy
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Merlady
V1
Boulder · FA: unknown
Merman
V2
Boulder · FA: unknown