![Sinkhole line on karst plateau Harbechy](/show/photo/30668/g150.jpg)
sinkhole line
© Otava, Jiří | 1980
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![ichnofosil Cosmorhape](/show/photo/27628/g150.jpg)
Cosmorhape
© Otava, Jiří | 1999
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![](/show/photo/13143/g150.jpg)
© Otava, Jiří | 2001
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![](/show/photo/13142/g150.jpg)
© Otava, Jiří | 2001
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![](/show/photo/12780/g150.jpg)
© Otava, Jiří | 2002
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![](/show/photo/12779/g150.jpg)
© Otava, Jiří | 2002
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![Type locality of the Frasnian Vilemovice limestone](/show/photo/12776/g150.jpg)
Vilemovice limestone
© Otava, Jiří | 2002
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![](/show/photo/13087/g150.jpg)
© Otava, Jiří | 2002
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![](/show/photo/12778/g150.jpg)
© Otava, Jiří | 2002
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![](/show/photo/12777/g150.jpg)
© Otava, Jiří | 2002
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![Hranice Abyss, norhern wall](/show/photo/25061/g150.jpg)
Hranice Abyss
© Otava, Jiří | 2004
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![Hranice Abyss, gravel](/show/photo/25064/g150.jpg)
Hranice Abyss
© Otava, Jiří | 2004
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![Pecten coquina, gorge near Černotín quarry](/show/photo/25316/g150.jpg)
Pecten coquina
© Otava, Jiří | 2004
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![](/show/photo/12798/g150.jpg)
© Otava, Jiří | 2005
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![](/show/photo/23794/g150.jpg)
© Otava, Jiří | 2006
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![Hranická Abyss](/show/photo/25063/g150.jpg)
Hranická Abyss
© Otava, Jiří | 2010
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![](/show/photo/24628/g150.jpg)
© Otava, Jiří | 2011
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![Javoříčské jeskyně Caves](/show/photo/25070/g150.jpg)
Javoříčské jeskyně Caves
© Otava, Jiří | 2013
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![Coal seam in Boskovice, Cenomanian](/show/photo/30667/g150.jpg)
coal seam
© Otava, Jiří | 2014
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![Šišma quarry, bedding](/show/photo/26551/g150.jpg)
bedding
© Otava, Jiří | 2014
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![greywacke, spheroidal weathering](/show/photo/26550/g150.jpg)
greywacke
© Otava, Jiří | 2014
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![gravel and speleothems](/show/photo/32172/g150.jpg)
gravel and speleothem
© Otava, Jiří | 2015
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![basal clastics of Devonian](/show/photo/30911/g150.jpg)
basal clastics
© Otava, Jiří | 2015
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![Neptunic dyke, Na Bradinách quarry](/show/photo/25967/g150.jpg)
Neptunic dyke
© Otava, Jiří | 2016
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![CRATER LAKE 3](/show/photo/28095/g150.jpg)
CRATER LAKE 3
© Otava, Jiří | 2019
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![](/show/photo/32095/g150.jpg)
© Otava, Jiří | 2023
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![](/show/photo/32092/g150.jpg)
© Otava, Jiří | 2023
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![](/show/photo/32094/g150.jpg)
© Otava, Jiří | 2023
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![](/show/photo/32093/g150.jpg)
© Otava, Jiří | 2023
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