pennsylvanian

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Flint-knapped arrowhead (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, 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/40642280894.html" target="_blank"><img src="http://farm1.static.flickr.com/813/40642280894_810c1ef01c_m.jpg" alt="" /></a><br />Flint-knapped arrowhead (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 2 / James St. John</span>

サイズ変更など

Flint meganodule (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, 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/51582445619.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51582445619_4db4eff2a0_m.jpg" alt="" /></a><br />Flint meganodule (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 9 / James St. John</span>

サイズ変更など

Lower Mercer Shale-Lower Mercer Limestone (Middle Pennsylvanian; Rock Cut, Muskingum 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/23493730178.html" target="_blank"><img src="http://farm5.static.flickr.com/4338/23493730178_47abe62a89_m.jpg" alt="" /></a><br />Lower Mercer Shale-Lower Mercer Limestone (Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 3 / James St. John</span>

サイズ変更など

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; eastern Ohio, USA) 56
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/52843885621.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52843885621_6a27c2b6e0_m.jpg" alt="" /></a><br />Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; eastern Ohio, USA) 56 / James St. John</span>

サイズ変更など

Fossiliferous cannel coal (Upper Freeport Coal, Middle Pennsylvanian; Diamond Coal Mine, Linton, 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/51122215673.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51122215673_6287c129d3_m.jpg" alt="" /></a><br />Fossiliferous cannel coal (Upper Freeport Coal, Middle Pennsylvanian; Diamond Coal Mine, Linton, Ohio, USA) 2 / James St. John</span>

サイズ変更など

Almost overturned crossbeds in sandstone (Sharon Formation, Lower Pennsylvanian; Virginia Kendall Ledges, 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/41599061560.html" target="_blank"><img src="http://farm2.static.flickr.com/1765/41599061560_ec964c9650_m.jpg" alt="" /></a><br />Almost overturned crossbeds in sandstone (Sharon Formation, Lower Pennsylvanian; Virginia Kendall Ledges, Ohio, USA) 1 / James St. John</span>

サイズ変更など

Pedogenic breccia (Conemaugh Group, Upper Pennsylvanian; creek cut on the western side of Caldwell, 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/31167574446.html" target="_blank"><img src="http://farm6.static.flickr.com/5814/31167574446_a440084616_m.jpg" alt="" /></a><br />Pedogenic breccia (Conemaugh Group, Upper Pennsylvanian; creek cut on the western side of Caldwell, Ohio, USA) 7 / James St. John</span>

サイズ変更など

Fossiliferous limestone with phylloidal algae (Putnam Hill Limestone, Middle Pennsylvanian; creek cut along Blunt Run, just west of the Muskingum River, north of Zanesville, Muskingum County, Ohio, USA)
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/15720946706.html" target="_blank"><img src="http://farm8.static.flickr.com/7550/15720946706_985056c3f5_m.jpg" alt="" /></a><br />Fossiliferous limestone with phylloidal algae (Putnam Hill Limestone, Middle Pennsylvanian; creek cut along Blunt Run, just west of the Muskingum River, north of Zanesville, Muskingum County, Ohio, USA) / James St. John</span>

サイズ変更など

Flint (Vanport Flint, Middle Pennsylvanian; Flint Ridge, 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/49541134227.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49541134227_b5b0209827_m.jpg" alt="" /></a><br />Flint (Vanport Flint, Middle Pennsylvanian; Flint Ridge, Ohio, USA) 3 / James St. John</span>

サイズ変更など

Fossiliferous flint (Upper Mercer Limestone, Middle Pennsylvanian; Rock Cut railroad cut, south-southeast of Dresden, 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/33303249246.html" target="_blank"><img src="http://farm4.static.flickr.com/3814/33303249246_b763a7b145_m.jpg" alt="" /></a><br />Fossiliferous flint (Upper Mercer Limestone, Middle Pennsylvanian; Rock Cut railroad cut, south-southeast of Dresden, Ohio, USA) 6 / James St. John</span>

サイズ変更など

Sandstone (Sharon Formation, Lower Pennsylvanian; Virginia Kendall Ledges, 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/45273683492.html" target="_blank"><img src="http://farm2.static.flickr.com/1935/45273683492_3b20b514ef_m.jpg" alt="" /></a><br />Sandstone (Sharon Formation, Lower Pennsylvanian; Virginia Kendall Ledges, Ohio, USA) 4 / James St. John</span>

サイズ変更など

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; Nellie area, 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/31602716280.html" target="_blank"><img src="http://farm1.static.flickr.com/405/31602716280_6e57a2afeb_m.jpg" alt="" /></a><br />Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; Nellie area, Coshocton County, Ohio, USA) 12 / James St. John</span>

サイズ変更など

Tullimonstrum gregarium (fossil problematicum) (Mazon Creek Lagerstätte, Middle Pennsylvanian; Mazon Creek area, Illinois, 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/47625975581.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/47625975581_854a51577d_m.jpg" alt="" /></a><br />Tullimonstrum gregarium (fossil problematicum) (Mazon Creek Lagerstätte, Middle Pennsylvanian; Mazon Creek area, Illinois, USA) 1 / James St. John</span>

サイズ変更など

Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 160
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/28320501959.html" target="_blank"><img src="http://farm5.static.flickr.com/4724/28320501959_449a5a0b28_m.jpg" alt="" /></a><br />Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 160 / James St. John</span>

サイズ変更など

Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 62
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/33272044612.html" target="_blank"><img src="http://farm1.static.flickr.com/673/33272044612_5522ab561c_m.jpg" alt="" /></a><br />Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 62 / James St. John</span>

サイズ変更など

Nodular ironstone (Allegheny Group, Middle Pennsylvanian; Tuscarawas County, 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/49214515593.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49214515593_6bb1e4d1b2_m.jpg" alt="" /></a><br />Nodular ironstone (Allegheny Group, Middle Pennsylvanian; Tuscarawas County, Ohio, USA) 1 / James St. John</span>

サイズ変更など

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; Nellie area, Coshocton 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/31976223565.html" target="_blank"><img src="http://farm6.static.flickr.com/5606/31976223565_5d4b45a514_m.jpg" alt="" /></a><br />Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; Nellie area, Coshocton County, Ohio, USA) 11 / James St. John</span>

サイズ変更など

Ames Limestone (Upper Pennsylvanian; Route 22 roadcut, west of Steubenville, 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/50024225473.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50024225473_acbef673e1_m.jpg" alt="" /></a><br />Ames Limestone (Upper Pennsylvanian; Route 22 roadcut, west of Steubenville, Ohio, USA) 3 / James St. John</span>

サイズ変更など

Cannel City-Amburgy Coal Zone (Pikeville Formation, Middle Pennsylvanian; Jackson North roadcut, Breathitt County, Kentucky, 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/16798235747.html" target="_blank"><img src="http://farm9.static.flickr.com/8687/16798235747_9528904996_m.jpg" alt="" /></a><br />Cannel City-Amburgy Coal Zone (Pikeville Formation, Middle Pennsylvanian; Jackson North roadcut, Breathitt County, Kentucky, USA) 1 / James St. John</span>

サイズ変更など

Upper Mercer Flint & Upper Mercer Limestone (Middle Pennsylvanian; Symmes Creek at Mollies Rock Road bridge, 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/17281738392.html" target="_blank"><img src="http://farm9.static.flickr.com/8737/17281738392_10aca75832_m.jpg" alt="" /></a><br />Upper Mercer Flint & Upper Mercer Limestone (Middle Pennsylvanian; Symmes Creek at Mollies Rock Road bridge, Muskingum County, Ohio, USA) 2 / James St. John</span>

サイズ変更など

Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 252
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/51532661788.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51532661788_09886f8a4c_m.jpg" alt="" /></a><br />Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 252 / James St. John</span>

サイズ変更など

Bismuth (Pennsylvanian to Early Permian; Wolfram Camp, Queensland, Australia) 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/50709197312.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50709197312_c5650e59a1_m.jpg" alt="" /></a><br />Bismuth (Pennsylvanian to Early Permian; Wolfram Camp, Queensland, Australia) 2 / James St. John</span>

サイズ変更など

Conglomerate (Sharon Formation, Lower Pennsylvanian; Virginia Kendall Ledges, 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/41607855600.html" target="_blank"><img src="http://farm2.static.flickr.com/1783/41607855600_fe2141498d_m.jpg" alt="" /></a><br />Conglomerate (Sharon Formation, Lower Pennsylvanian; Virginia Kendall Ledges, Ohio, USA) 7 / James St. John</span>

サイズ変更など

Intraclastic bioclastic dolostone (upper Boggs Limestone, middle Pottsville Group, lower Middle Pennsylvanian; subcrop in Symmes Creek, northern Muskingum County, eastern 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/15559273909.html" target="_blank"><img src="http://farm4.static.flickr.com/3946/15559273909_b37c940955_m.jpg" alt="" /></a><br />Intraclastic bioclastic dolostone (upper Boggs Limestone, middle Pottsville Group, lower Middle Pennsylvanian; subcrop in Symmes Creek, northern Muskingum County, eastern Ohio, USA) 1 / James St. John</span>

サイズ変更など

jfk-lax045.JPG
by dsearls

クリエイティブ・コモンズ表示-継承 2.1

<span style="font-size:10px;"><a href="http://www.igosso.net/flk/152332352.html" target="_blank"><img src="http://farm1.static.flickr.com/46/152332352_01a73063fc_m.jpg" alt="" /></a><br />jfk-lax045.JPG / dsearls</span>

サイズ変更など

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; Nellie area, Coshocton 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/31976231245.html" target="_blank"><img src="http://farm1.static.flickr.com/491/31976231245_1e40065430_m.jpg" alt="" /></a><br />Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; Nellie area, Coshocton County, Ohio, USA) 10 / James St. John</span>

サイズ変更など

Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 112
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/38736511835.html" target="_blank"><img src="http://farm5.static.flickr.com/4629/38736511835_18eca563cb_m.jpg" alt="" /></a><br />Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 112 / James St. John</span>

サイズ変更など

Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 164
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/28320502169.html" target="_blank"><img src="http://farm5.static.flickr.com/4618/28320502169_5e22f06372_m.jpg" alt="" /></a><br />Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 164 / James St. John</span>

サイズ変更など

Cannel coal (Pennsylvanian; Wigan area, England) 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/52459430237.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52459430237_54cd753cb1_m.jpg" alt="" /></a><br />Cannel coal (Pennsylvanian; Wigan area, England) 11 / James St. John</span>

サイズ変更など

Conglomerate (Sharon Formation, Lower Pennsylvanian; Virginia Kendall Ledges, 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/28545932757.html" target="_blank"><img src="http://farm2.static.flickr.com/1787/28545932757_69b989fdc7_m.jpg" alt="" /></a><br />Conglomerate (Sharon Formation, Lower Pennsylvanian; Virginia Kendall Ledges, Ohio, USA) 3 / James St. John</span>

サイズ変更など

Flint with quartz-lined cavity (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, 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/33271967952.html" target="_blank"><img src="http://farm4.static.flickr.com/3920/33271967952_c381b8d245_m.jpg" alt="" /></a><br />Flint with quartz-lined cavity (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 3 / James St. John</span>

サイズ変更など

Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 99
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/38736128845.html" target="_blank"><img src="http://farm5.static.flickr.com/4612/38736128845_f2ec14038f_m.jpg" alt="" /></a><br />Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 99 / James St. John</span>

サイズ変更など

Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 68
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/33299371771.html" target="_blank"><img src="http://farm3.static.flickr.com/2856/33299371771_1a45d3d3ed_m.jpg" alt="" /></a><br />Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 68 / James St. John</span>

サイズ変更など

Tidalites (Mansfield Formation, Lower Pennsylvanian; southern Indiana, 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/30126318753.html" target="_blank"><img src="http://farm6.static.flickr.com/5675/30126318753_dd1767550a_m.jpg" alt="" /></a><br />Tidalites (Mansfield Formation, Lower Pennsylvanian; southern Indiana, USA) 2 / James St. John</span>

サイズ変更など

Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; Nellie area, Coshocton 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/31976208135.html" target="_blank"><img src="http://farm1.static.flickr.com/384/31976208135_6a787a75a2_m.jpg" alt="" /></a><br />Nellie Blue Flint (Upper Mercer Flint, Middle Pennsylvanian; Nellie area, Coshocton County, Ohio, USA) 15 / James St. John</span>

サイズ変更など

Sandstone (Sharon Formation, Lower Pennsylvanian; Virginia Kendall Ledges, 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/43507408160.html" target="_blank"><img src="http://farm2.static.flickr.com/1940/43507408160_8451b0c53e_m.jpg" alt="" /></a><br />Sandstone (Sharon Formation, Lower Pennsylvanian; Virginia Kendall Ledges, Ohio, USA) 2 / James St. John</span>

サイズ変更など

Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 253
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/51531620277.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51531620277_37b1399d1e_m.jpg" alt="" /></a><br />Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 253 / James St. John</span>

サイズ変更など

Coiled nautiloid cephalopod in fossiliferous limestone (Lower Mercer Limestone, Middle Pennsylvanian; Rt. 16 roadcut near Trinway, 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/33213443796.html" target="_blank"><img src="http://farm3.static.flickr.com/2906/33213443796_9cbbd1de45_m.jpg" alt="" /></a><br />Coiled nautiloid cephalopod in fossiliferous limestone (Lower Mercer Limestone, Middle Pennsylvanian; Rt. 16 roadcut near Trinway, Ohio, USA) 1 / James St. John</span>

サイズ変更など

Abandoned buildings
by THX0477

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/1252091110.html" target="_blank"><img src="http://farm2.static.flickr.com/1026/1252091110_eaf1164724_m.jpg" alt="" /></a><br />Abandoned buildings / THX0477</span>

サイズ変更など

Overturned crossbeds in sandstone (Sharon Formation, Lower Pennsylvanian; Virginia Kendall Ledges, 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/42690434874.html" target="_blank"><img src="http://farm2.static.flickr.com/1782/42690434874_778de3a081_m.jpg" alt="" /></a><br />Overturned crossbeds in sandstone (Sharon Formation, Lower Pennsylvanian; Virginia Kendall Ledges, Ohio, USA) 7 / James St. John</span>

サイズ変更など

Pennsylvanians Urged to Hand-Deliver Mail Ballots Immediately
by governortomwolf

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/50537274561.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/50537274561_745ef25956_m.jpg" alt="" /></a><br />Pennsylvanians Urged to Hand-Deliver Mail Ballots Immediately / governortomwolf</span>

サイズ変更など

Flint-knapped spearpoint 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/52142737999.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52142737999_328f074c73_m.jpg" alt="" /></a><br />Flint-knapped spearpoint 3 / James St. John</span>

サイズ変更など

Productid brachiopod in flint-bearing fossiliferous limestone (Upper Mercer Limestone, Middle Pennsylvanian; Nellie, 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/39416216204.html" target="_blank"><img src="http://farm5.static.flickr.com/4695/39416216204_754914cb72_m.jpg" alt="" /></a><br />Productid brachiopod in flint-bearing fossiliferous limestone (Upper Mercer Limestone, Middle Pennsylvanian; Nellie, Ohio, USA) 6 / James St. John</span>

サイズ変更など

Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 264
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/51582680330.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51582680330_7a232b7e65_m.jpg" alt="" /></a><br />Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 264 / James St. John</span>

サイズ変更など

Concretions in sandstone (Pennsylvanian; coal mine near New Lexington, 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/52435592347.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52435592347_80be23a058_m.jpg" alt="" /></a><br />Concretions in sandstone (Pennsylvanian; coal mine near New Lexington, Ohio, USA) 3 / James St. John</span>

サイズ変更など

Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 24
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/33412402405.html" target="_blank"><img src="http://farm1.static.flickr.com/755/33412402405_39e3a5ebc5_m.jpg" alt="" /></a><br />Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 24 / James St. John</span>

サイズ変更など

Fountain Formation (Pennsylvanian-Permian; Red Rocks Park, west of Denver, Colorado, USA) 89
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/52540631394.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52540631394_378ff15be7_m.jpg" alt="" /></a><br />Fountain Formation (Pennsylvanian-Permian; Red Rocks Park, west of Denver, Colorado, USA) 89 / James St. John</span>

サイズ変更など

Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 118
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/38736414395.html" target="_blank"><img src="http://farm5.static.flickr.com/4752/38736414395_654c4f27d6_m.jpg" alt="" /></a><br />Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 118 / James St. John</span>

サイズ変更など

Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 143
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/38980251325.html" target="_blank"><img src="http://farm5.static.flickr.com/4715/38980251325_b46ccaf1a6_m.jpg" alt="" /></a><br />Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 143 / James St. John</span>

サイズ変更など

Sandstone (Sharon Formation, Lower Pennsylvanian; Virginia Kendall Ledges, 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/44599638814.html" target="_blank"><img src="http://farm2.static.flickr.com/1972/44599638814_d12902fe98_m.jpg" alt="" /></a><br />Sandstone (Sharon Formation, Lower Pennsylvanian; Virginia Kendall Ledges, Ohio, USA) 7 / James St. John</span>

サイズ変更など

Trough cross-bedded quartzose sandstone (Hyden Formation, Middle Pennsylvanian; Jackson North roadcut, Breathitt County, Kentucky, 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/16995748995.html" target="_blank"><img src="http://farm8.static.flickr.com/7632/16995748995_cfe8bcf7e1_m.jpg" alt="" /></a><br />Trough cross-bedded quartzose sandstone (Hyden Formation, Middle Pennsylvanian; Jackson North roadcut, Breathitt County, Kentucky, USA) 1 / James St. John</span>

サイズ変更など

Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 261
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/51582680820.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/51582680820_189b5834ef_m.jpg" alt="" /></a><br />Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 261 / James St. John</span>

サイズ変更など

Boggs Member (Middle Pennsylvanian; Rock Cut, Muskingum County, 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/37351496202.html" target="_blank"><img src="http://farm5.static.flickr.com/4405/37351496202_22a378f293_m.jpg" alt="" /></a><br />Boggs Member (Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 1 / James St. John</span>

サイズ変更など

Weathered fossiliferous flint (Vanport Flint, Middle Pennsylvanian; Flint Ridge, 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/32324319718.html" target="_blank"><img src="http://farm5.static.flickr.com/4909/32324319718_ab38c5f93d_m.jpg" alt="" /></a><br />Weathered fossiliferous flint (Vanport Flint, Middle Pennsylvanian; Flint Ridge, Ohio, USA) 5 / James St. John</span>

サイズ変更など

Quartzose sandstone (Dundee Sandstone, Middle Pennsylvanian; cliffs along Walnut Creek Bottom Road, west of Dundee, 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/23751215102.html" target="_blank"><img src="http://farm6.static.flickr.com/5777/23751215102_200a5d5ac6_m.jpg" alt="" /></a><br />Quartzose sandstone (Dundee Sandstone, Middle Pennsylvanian; cliffs along Walnut Creek Bottom Road, west of Dundee, Ohio, USA) 7 / James St. John</span>

サイズ変更など

Bandringa rayi (fossil shark) (Mazon Creek Lagerstätte, Francis Creek Shale, Middle Pennsylvanian; coal mine dump pile near Essex, northern Illinois, 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/15345124460.html" target="_blank"><img src="http://farm4.static.flickr.com/3942/15345124460_f6f5d346a8_m.jpg" alt="" /></a><br />Bandringa rayi (fossil shark) (Mazon Creek Lagerstätte, Francis Creek Shale, Middle Pennsylvanian; coal mine dump pile near Essex, northern Illinois, USA) 4 / James St. John</span>

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Gov. Wolf Expands Voter Registration Access for Eligible Pennsylvanians
by governortomwolf

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/52341778316.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/52341778316_a9f7d244b5_m.jpg" alt="" /></a><br />Gov. Wolf Expands Voter Registration Access for Eligible Pennsylvanians / governortomwolf</span>

サイズ変更など

Meigs Creek Coal (Upper Pennsylvanian; Route 7 roadcut north of Narrows Run, Belmont 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/49976134416.html" target="_blank"><img src="http://farm66.static.flickr.com/65535/49976134416_e792015372_m.jpg" alt="" /></a><br />Meigs Creek Coal (Upper Pennsylvanian; Route 7 roadcut north of Narrows Run, Belmont County, Ohio, USA) 6 / James St. John</span>

サイズ変更など

Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 103
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/38736068335.html" target="_blank"><img src="http://farm5.static.flickr.com/4629/38736068335_5564882600_m.jpg" alt="" /></a><br />Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 103 / James St. John</span>

サイズ変更など

Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 34
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/32598413763.html" target="_blank"><img src="http://farm3.static.flickr.com/2843/32598413763_25a2fa178e_m.jpg" alt="" /></a><br />Flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 34 / James St. John</span>

サイズ変更など

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