argillaceous

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Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 3
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/48628205006.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48628205006_d8f3508f44_m.jpg" alt="" /></a><br />Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 3 / James St. John</span>

サイズ変更など

upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 16
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/22925928919.html" target="_blank"><img src="http://farm1.static.flickr.com/614/22925928919_d1f905fc6b_m.jpg" alt="" /></a><br />upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 16 / James St. John</span>

サイズ変更など

Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 13
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/48628358192.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48628358192_bd257db16f_m.jpg" alt="" /></a><br />Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 13 / James St. John</span>

サイズ変更など

upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 7
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/22926007159.html" target="_blank"><img src="http://farm1.static.flickr.com/709/22926007159_7e4dc95665_m.jpg" alt="" /></a><br />upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 7 / James St. John</span>

サイズ変更など

Pottsville Group over Maxville Limestone (East Fultonham Pit, Muskingum County, Ohio, USA) 4
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/31098855228.html" target="_blank"><img src="http://farm2.static.flickr.com/1910/31098855228_6ac5787ea7_m.jpg" alt="" /></a><br />Pottsville Group over Maxville Limestone (East Fultonham Pit, Muskingum County, Ohio, USA) 4 / James St. John</span>

サイズ変更など

Pottsville Group over Maxville Limestone (East Fultonham Pit, Muskingum County, Ohio, USA) 2
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/43159848660.html" target="_blank"><img src="http://farm2.static.flickr.com/1953/43159848660_e40ae46176_m.jpg" alt="" /></a><br />Pottsville Group over Maxville Limestone (East Fultonham Pit, Muskingum County, Ohio, USA) 2 / James St. John</span>

サイズ変更など

Natural arch developed in chalk & impure chalk (Smoky Hill Chalk Member, Niobrara Formation, Upper Cretaceous; Monument Rocks, Kansas, USA) 8
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/52460086766.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52460086766_b17e68874c_m.jpg" alt="" /></a><br />Natural arch developed in chalk & impure chalk (Smoky Hill Chalk Member, Niobrara Formation, Upper Cretaceous; Monument Rocks, Kansas, USA) 8 / James St. John</span>

サイズ変更など

Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 7
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/48628207321.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48628207321_efed07ea67_m.jpg" alt="" /></a><br />Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 7 / James St. John</span>

サイズ変更など

Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 10
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/31206070732.html" target="_blank"><img src="http://farm6.static.flickr.com/5627/31206070732_2f9532b8ff_m.jpg" alt="" /></a><br />Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 10 / James St. John</span>

サイズ変更など

Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 16
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/31235083381.html" target="_blank"><img src="http://farm6.static.flickr.com/5780/31235083381_38acc76249_m.jpg" alt="" /></a><br />Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 16 / James St. John</span>

サイズ変更など

Sandstone (Greene Formation, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 3
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/29420554320.html" target="_blank"><img src="http://farm9.static.flickr.com/8371/29420554320_d369919533_m.jpg" alt="" /></a><br />Sandstone (Greene Formation, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 3 / James St. John</span>

サイズ変更など

Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 23
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/49938684861.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49938684861_6c4e06b307_m.jpg" alt="" /></a><br />Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 23 / James St. John</span>

サイズ変更など

Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 18
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/31235072631.html" target="_blank"><img src="http://farm6.static.flickr.com/5665/31235072631_6096e4fb33_m.jpg" alt="" /></a><br />Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 18 / James St. John</span>

サイズ変更など

Nineveh Limestone (Greene Formation, Lower Permian; Clark Hill section, Monroe County, Ohio, USA) 5
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/29076835863.html" target="_blank"><img src="http://farm9.static.flickr.com/8191/29076835863_43aabb355f_m.jpg" alt="" /></a><br />Nineveh Limestone (Greene Formation, Lower Permian; Clark Hill section, Monroe County, Ohio, USA) 5 / James St. John</span>

サイズ変更など

upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 17
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/22665461884.html" target="_blank"><img src="http://farm1.static.flickr.com/581/22665461884_2b092c3bd3_m.jpg" alt="" /></a><br />upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 17 / James St. John</span>

サイズ変更など

Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 12
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/48628205701.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48628205701_0fa37be0b4_m.jpg" alt="" /></a><br />Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 12 / James St. John</span>

サイズ変更など

upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 5
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/23263789116.html" target="_blank"><img src="http://farm1.static.flickr.com/637/23263789116_c98f127d06_m.jpg" alt="" /></a><br />upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 5 / James St. John</span>

サイズ変更など

Folded dolostones (Put-in-Bay Dolomite over Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 3
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/48632921191.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48632921191_54bb1ab9a5_m.jpg" alt="" /></a><br />Folded dolostones (Put-in-Bay Dolomite over Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 3 / James St. John</span>

サイズ変更など

Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 2
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/48628207661.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48628207661_1e5a83b833_m.jpg" alt="" /></a><br />Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 2 / James St. John</span>

サイズ変更など

upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 15
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/22665479214.html" target="_blank"><img src="http://farm6.static.flickr.com/5736/22665479214_bc72a5ffe2_m.jpg" alt="" /></a><br />upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 15 / James St. John</span>

サイズ変更など

Cannel coal (Bedford Coal, Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 2
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/30736451372.html" target="_blank"><img src="http://farm6.static.flickr.com/5684/30736451372_01d73de4ca_m.jpg" alt="" /></a><br />Cannel coal (Bedford Coal, Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 2 / James St. John</span>

サイズ変更など

upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 6
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/23289910575.html" target="_blank"><img src="http://farm1.static.flickr.com/766/23289910575_a595be577b_m.jpg" alt="" /></a><br />upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 6 / James St. John</span>

サイズ変更など

Folded dolostones (Put-in-Bay Dolomite over Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 4
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/48632922466.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48632922466_38515e2f78_m.jpg" alt="" /></a><br />Folded dolostones (Put-in-Bay Dolomite over Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 4 / James St. John</span>

サイズ変更など

Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 17
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/31206031732.html" target="_blank"><img src="http://farm6.static.flickr.com/5683/31206031732_014b4dc724_m.jpg" alt="" /></a><br />Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 17 / James St. John</span>

サイズ変更など

Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 21
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/49938174788.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49938174788_b7bf1337e2_m.jpg" alt="" /></a><br />Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 21 / James St. John</span>

サイズ変更など

Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 18
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/48628206511.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48628206511_636fc61298_m.jpg" alt="" /></a><br />Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 18 / James St. John</span>

サイズ変更など

Natural arch developed in chalk & impure chalk (Smoky Hill Chalk Member, Niobrara Formation, Upper Cretaceous; Monument Rocks, Kansas, USA) 7
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/52460619303.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52460619303_329085b1cc_m.jpg" alt="" /></a><br />Natural arch developed in chalk & impure chalk (Smoky Hill Chalk Member, Niobrara Formation, Upper Cretaceous; Monument Rocks, Kansas, USA) 7 / James St. John</span>

サイズ変更など

Chalk & impure chalk (Smoky Hill Chalk Member, Niobrara Formation, Upper Cretaceous; Monument Rocks, Kansas, USA) 148
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/52453285667.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52453285667_e8522f0031_m.jpg" alt="" /></a><br />Chalk & impure chalk (Smoky Hill Chalk Member, Niobrara Formation, Upper Cretaceous; Monument Rocks, Kansas, USA) 148 / James St. John</span>

サイズ変更など

Medusaegraptus mirabilis (fossil green algae) (Goat Island Formation, Upper Silurian; Lafarge Gasport Quarry, New York State, USA) 4
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/51191208879.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51191208879_6fa9efc11e_m.jpg" alt="" /></a><br />Medusaegraptus mirabilis (fossil green algae) (Goat Island Formation, Upper Silurian; Lafarge Gasport Quarry, New York State, USA) 4 / James St. John</span>

サイズ変更など

Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 1
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/48628204901.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48628204901_5c6a4565bd_m.jpg" alt="" /></a><br />Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 1 / James St. John</span>

サイズ変更など

Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 10
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/48628205431.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48628205431_0269e00074_m.jpg" alt="" /></a><br />Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 10 / James St. John</span>

サイズ変更など

Maxville Limestone (Mississippian; East Fultonham Pit, Muskingum County, Ohio, USA) 11
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/44237210554.html" target="_blank"><img src="http://farm2.static.flickr.com/1925/44237210554_39f1959edb_m.jpg" alt="" /></a><br />Maxville Limestone (Mississippian; East Fultonham Pit, Muskingum County, Ohio, USA) 11 / James St. John</span>

サイズ変更など

Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 20
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/49938688506.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49938688506_10da817dde_m.jpg" alt="" /></a><br />Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 20 / James St. John</span>

サイズ変更など

upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 12
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/22998061280.html" target="_blank"><img src="http://farm6.static.flickr.com/5678/22998061280_f9f0d9c84f_m.jpg" alt="" /></a><br />upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 12 / James St. John</span>

サイズ変更など

Medusaegraptus mirabilis (fossil green algae) (Goat Island Formation, Upper Silurian; Lafarge Gasport Quarry, New York State, USA) 6
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/51191504930.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51191504930_c5ae32734a_m.jpg" alt="" /></a><br />Medusaegraptus mirabilis (fossil green algae) (Goat Island Formation, Upper Silurian; Lafarge Gasport Quarry, New York State, USA) 6 / James St. John</span>

サイズ変更など

Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 6
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/48628356542.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48628356542_210f13bbc3_m.jpg" alt="" /></a><br />Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 6 / James St. John</span>

サイズ変更など

Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 22
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/49938685996.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49938685996_0dd8e49db8_m.jpg" alt="" /></a><br />Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 22 / James St. John</span>

サイズ変更など

Maxville Limestone (Mississippian; East Fultonham Pit, Muskingum County, Ohio, USA) 9
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/30019906977.html" target="_blank"><img src="http://farm2.static.flickr.com/1928/30019906977_6639293d18_m.jpg" alt="" /></a><br />Maxville Limestone (Mississippian; East Fultonham Pit, Muskingum County, Ohio, USA) 9 / James St. John</span>

サイズ変更など

Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 14
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/30981181960.html" target="_blank"><img src="http://farm6.static.flickr.com/5507/30981181960_86b526cc5d_m.jpg" alt="" /></a><br />Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 14 / James St. John</span>

サイズ変更など

Natural arch developed in chalk & impure chalk (Smoky Hill Chalk Member, Niobrara Formation, Upper Cretaceous; Monument Rocks, Kansas, USA) 11
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/52460532560.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52460532560_0a961300d6_m.jpg" alt="" /></a><br />Natural arch developed in chalk & impure chalk (Smoky Hill Chalk Member, Niobrara Formation, Upper Cretaceous; Monument Rocks, Kansas, USA) 11 / James St. John</span>

サイズ変更など

Medusaegraptus mirabilis (fossil green algae) (Goat Island Formation, Upper Silurian; Lafarge Gasport Quarry, New York State, USA) 5
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/51190655628.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51190655628_8dfef8a8a8_m.jpg" alt="" /></a><br />Medusaegraptus mirabilis (fossil green algae) (Goat Island Formation, Upper Silurian; Lafarge Gasport Quarry, New York State, USA) 5 / James St. John</span>

サイズ変更など

Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 19
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/49938991222.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49938991222_a270fbc116_m.jpg" alt="" /></a><br />Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 19 / James St. John</span>

サイズ変更など

Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 22
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/31235039091.html" target="_blank"><img src="http://farm6.static.flickr.com/5468/31235039091_99c8165109_m.jpg" alt="" /></a><br />Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 22 / James St. John</span>

サイズ変更など

Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 11
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/48628205551.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48628205551_0d90f89941_m.jpg" alt="" /></a><br />Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 11 / James St. John</span>

サイズ変更など

Maxville Limestone (Mississippian; East Fultonham Pit, Muskingum County, Ohio, USA) 5
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/44908324652.html" target="_blank"><img src="http://farm2.static.flickr.com/1937/44908324652_db0daaf6e4_m.jpg" alt="" /></a><br />Maxville Limestone (Mississippian; East Fultonham Pit, Muskingum County, Ohio, USA) 5 / James St. John</span>

サイズ変更など

Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 11
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/31350268505.html" target="_blank"><img src="http://farm6.static.flickr.com/5776/31350268505_81f8a554c3_m.jpg" alt="" /></a><br />Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 11 / James St. John</span>

サイズ変更など

Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 13
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/31206050002.html" target="_blank"><img src="http://farm6.static.flickr.com/5668/31206050002_c5214118d0_m.jpg" alt="" /></a><br />Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 13 / James St. John</span>

サイズ変更など

Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 9
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/48627855893.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48627855893_9bc06bc80a_m.jpg" alt="" /></a><br />Dolostone & argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 9 / James St. John</span>

サイズ変更など

Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 12
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/49938695906.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49938695906_2d0d36013a_m.jpg" alt="" /></a><br />Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 12 / James St. John</span>

サイズ変更など

Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 17
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/49938993732.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49938993732_24a8ef4e6a_m.jpg" alt="" /></a><br />Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 17 / James St. John</span>

サイズ変更など

Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 9
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/30542501613.html" target="_blank"><img src="http://farm6.static.flickr.com/5322/30542501613_cbe700653c_m.jpg" alt="" /></a><br />Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 9 / James St. John</span>

サイズ変更など

Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 13
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/49938997237.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49938997237_f2de8e5155_m.jpg" alt="" /></a><br />Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 13 / James St. John</span>

サイズ変更など

Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 21
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/31235049151.html" target="_blank"><img src="http://farm6.static.flickr.com/5830/31235049151_f7f95fb861_m.jpg" alt="" /></a><br />Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 21 / James St. John</span>

サイズ変更など

Sandstone (Greene Formation, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 6
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/29086972533.html" target="_blank"><img src="http://farm9.static.flickr.com/8336/29086972533_db1013fd29_m.jpg" alt="" /></a><br />Sandstone (Greene Formation, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 6 / James St. John</span>

サイズ変更など

upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 2
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/23263822096.html" target="_blank"><img src="http://farm6.static.flickr.com/5751/23263822096_60b7354557_m.jpg" alt="" /></a><br />upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 2 / James St. John</span>

サイズ変更など

Medusaegraptus mirabilis (fossil green algae) (Goat Island Formation, Upper Silurian; Lafarge Gasport Quarry, New York State, USA) 3
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/51190437831.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51190437831_ddfd6ee72c_m.jpg" alt="" /></a><br />Medusaegraptus mirabilis (fossil green algae) (Goat Island Formation, Upper Silurian; Lafarge Gasport Quarry, New York State, USA) 3 / James St. John</span>

サイズ変更など

Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 19
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/31235063631.html" target="_blank"><img src="http://farm6.static.flickr.com/5325/31235063631_d27ede9ab7_m.jpg" alt="" /></a><br />Sandstone (Greene Formation, Dunkard Group, Lower Permian; Clark Hill section, Long Ridge, Monroe County, Ohio, USA) 19 / James St. John</span>

サイズ変更など

Folded dolostones (Put-in-Bay Dolomite over Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 1
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/48632920996.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/48632920996_8604ea62dd_m.jpg" alt="" /></a><br />Folded dolostones (Put-in-Bay Dolomite over Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 1 / James St. John</span>

サイズ変更など

upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 4
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/22661560304.html" target="_blank"><img src="http://farm6.static.flickr.com/5828/22661560304_8bc25fabb2_m.jpg" alt="" /></a><br />upper Boggs Member (Pottsville Group, Pennsylvanian; Rt. 93 roadcut north of Mt. Pleasant, Hocking County, Ohio, USA) 4 / James St. John</span>

サイズ変更など

Pottsville Group over Maxville Limestone (East Fultonham Pit, Muskingum County, Ohio, USA) 9
by James St. John

クリエイティブ・コモンズ表示 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/44252618214.html" target="_blank"><img src="http://farm2.static.flickr.com/1929/44252618214_28dd6fd35c_m.jpg" alt="" /></a><br />Pottsville Group over Maxville Limestone (East Fultonham Pit, Muskingum County, Ohio, USA) 9 / James St. John</span>

サイズ変更など

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