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Anthracite coal (Pennsylvanian; Hazelton, Pennsylvania, USA) 16
Anthracite coal (Pennsylvanian; Hazelton, Pennsylvania, USA) 16
by James St. John

クリエイティブ・コモンズ 表示 2.1

Scotland Highlands B871 Macaferri steel reinforcement.JPG
Scotland Highlands B871 Macaferri steel reinforcement.JPG
by Roadscanners

クリエイティブ・コモンズ 表示 2.1

Sandstone-coal-tonsteins (Ericson Sandstone over Rock Springs Formation, Upper Cretaceous; hairpin curve roadcut along Superior Cutoff Road, east of Superior, Wyoming, USA) 15
Sandstone-coal-tonsteins (Ericson Sandstone over Rock Springs Formation, Upper Cretaceous; hairpin curve roadcut along Superior Cutoff Road, east of Superior, Wyoming, USA) 15
by James St. John

クリエイティブ・コモンズ 表示 2.1


Fissile cannel coal (Upper Freeport Coal, Middle Pennsylvanian; Diamond Coal Mine, Linton, Ohio, USA) 2
Fissile 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

Anthracite coal (Pennsylvanian; Hazelton, Pennsylvania, USA) 8
Anthracite coal (Pennsylvanian; Hazelton, Pennsylvania, USA) 8
by James St. John

クリエイティブ・コモンズ 表示 2.1

Fissile cannel coal (Upper Freeport Coal, Middle Pennsylvanian; Diamond Coal Mine, Linton, Ohio, USA) 4
Fissile cannel coal (Upper Freeport Coal, Middle Pennsylvanian; Diamond Coal Mine, Linton, Ohio, USA) 4
by James St. John

クリエイティブ・コモンズ 表示 2.1


Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 15
Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 15
by James St. John

クリエイティブ・コモンズ 表示 2.1

Cnw 136279
Cnw 136279
by Milwaukee beerNut

クリエイティブ・コモンズ 表示-継承 2.1

Structural polish in semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 3
Structural polish in semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1


Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 18
Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 18
by James St. John

クリエイティブ・コモンズ 表示 2.1

Middle Mercer Coal (Middle Pennsylvanian; Frazeysburg Pit, Muskingum County, Ohio, USA) 1
Middle Mercer Coal (Middle Pennsylvanian; Frazeysburg Pit, Muskingum County, Ohio, USA) 1
by James St. John

クリエイティブ・コモンズ 表示 2.1

Fissile cannel coal (Upper Freeport Coal, Middle Pennsylvanian; Diamond Coal Mine, Linton, Ohio, USA) 1
Fissile cannel coal (Upper Freeport Coal, Middle Pennsylvanian; Diamond Coal Mine, Linton, Ohio, USA) 1
by James St. John

クリエイティブ・コモンズ 表示 2.1


Anthracite coal (Pennsylvanian; Hazelton, Pennsylvania, USA) 3
Anthracite coal (Pennsylvanian; Hazelton, Pennsylvania, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1

Anthracite coal (Pennsylvanian; Hazelton, Pennsylvania, USA) 7
Anthracite coal (Pennsylvanian; Hazelton, Pennsylvania, USA) 7
by James St. John

クリエイティブ・コモンズ 表示 2.1

Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 9
Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 9
by James St. John

クリエイティブ・コモンズ 表示 2.1


Anthracite coal (Pennsylvanian; Hazelton, Pennsylvania, USA) 5
Anthracite coal (Pennsylvanian; Hazelton, Pennsylvania, USA) 5
by James St. John

クリエイティブ・コモンズ 表示 2.1

Anthracite coal (Pennsylvanian; Hazelton, Pennsylvania, USA) 10
Anthracite coal (Pennsylvanian; Hazelton, Pennsylvania, USA) 10
by James St. John

クリエイティブ・コモンズ 表示 2.1

Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 14
Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 14
by James St. John

クリエイティブ・コモンズ 表示 2.1


Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 16
Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 16
by James St. John

クリエイティブ・コモンズ 表示 2.1

Anthracite coal (Pennsylvanian; Hazelton, Pennsylvania, USA) 2
Anthracite coal (Pennsylvanian; Hazelton, Pennsylvania, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1

Meigs Creek Coal (Upper Pennsylvanian; Route 7 roadcut north of Narrows Run, Belmont County, Ohio, USA) 3
Meigs Creek Coal (Upper Pennsylvanian; Route 7 roadcut north of Narrows Run, Belmont County, Ohio, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1


Lower Mercer Shale-Lower Mercer Limestone-Middle Mercer Coal (Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 4
Lower Mercer Shale-Lower Mercer Limestone-Middle Mercer Coal (Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 4
by James St. John

クリエイティブ・コモンズ 表示 2.1

Anthracite coal (Pennsylvanian; Hazelton, Pennsylvania, USA) 14
Anthracite coal (Pennsylvanian; Hazelton, Pennsylvania, USA) 14
by James St. John

クリエイティブ・コモンズ 表示 2.1

Cnw 136224
Cnw 136224
by Milwaukee beerNut

クリエイティブ・コモンズ 表示-継承 2.1


Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 10
Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 10
by James St. John

クリエイティブ・コモンズ 表示 2.1

Oskaloosa, Iowa
Oskaloosa, Iowa
by Ken Lund

クリエイティブ・コモンズ 表示-継承 2.1

Fissile cannel coal (Upper Freeport Coal, Middle Pennsylvanian; Diamond Coal Mine, Linton, Ohio, USA) 3
Fissile cannel coal (Upper Freeport Coal, Middle Pennsylvanian; Diamond Coal Mine, Linton, Ohio, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1


Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 4
Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 4
by James St. John

クリエイティブ・コモンズ 表示 2.1

Anthracite coal (Pennsylvanian; Hazelton, Pennsylvania, USA) 6
Anthracite coal (Pennsylvanian; Hazelton, Pennsylvania, USA) 6
by James St. John

クリエイティブ・コモンズ 表示 2.1

Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 8
Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 8
by James St. John

クリエイティブ・コモンズ 表示 2.1


Cnw 136254
Cnw 136254
by Milwaukee beerNut

クリエイティブ・コモンズ 表示-継承 2.1

Meigs Creek Coal (Upper Pennsylvanian; Route 7 roadcut north of Narrows Run, Belmont County, Ohio, USA) 2
Meigs Creek Coal (Upper Pennsylvanian; Route 7 roadcut north of Narrows Run, Belmont County, Ohio, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1

Lower Mercer Limestone (Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 2
Lower Mercer Limestone (Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1


Fossil wood in weathered coal (Bedford Coal, Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 2
Fossil wood in weathered 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

Meigs Creek Coal (Upper Pennsylvanian; Route 7 roadcut north of Narrows Run, Belmont County, Ohio, USA) 1
Meigs Creek Coal (Upper Pennsylvanian; Route 7 roadcut north of Narrows Run, Belmont County, Ohio, USA) 1
by James St. John

クリエイティブ・コモンズ 表示 2.1

Structural polish in semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 2
Structural polish in semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1


Lower Mercer Shale-Lower Mercer Limestone-Middle Mercer Coal (Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 5
Lower Mercer Shale-Lower Mercer Limestone-Middle Mercer Coal (Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 5
by James St. John

クリエイティブ・コモンズ 表示 2.1

Lignite coal
Lignite coal
by James St. John

クリエイティブ・コモンズ 表示 2.1

Sheared semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 3
Sheared semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1


Sandstone & semi-anthracite coal (Price Formation, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA)
Sandstone & semi-anthracite coal (Price Formation, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA)
by James St. John

クリエイティブ・コモンズ 表示 2.1

IMG_2670
IMG_2670
by RichardAsh1981

クリエイティブ・コモンズ 表示-継承 2.1

Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 11
Bedford Coal (Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 11
by James St. John

クリエイティブ・コモンズ 表示 2.1


Shale-sandstone-coal (lower Pottsville Group, Lower Pennsylvanian; Irish Ridge East roadcut, near Trinway, Ohio, USA) 2
Shale-sandstone-coal (lower Pottsville Group, Lower Pennsylvanian; Irish Ridge East roadcut, near Trinway, Ohio, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1

Fossil wood in weathered coal (Bedford Coal, Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 1
Fossil wood in weathered coal (Bedford Coal, Middle Pennsylvanian; Noland Tunnel's north portal outcrop, Tunnel Hill, Coshocton County, Ohio, USA) 1
by James St. John

クリエイティブ・コモンズ 表示 2.1

Mississippian-Pennsylvanian unconformity (Rt. 16 roadcut northeast of Frazeysburg, Ohio, USA) 19
Mississippian-Pennsylvanian unconformity (Rt. 16 roadcut northeast of Frazeysburg, Ohio, USA) 19
by James St. John

クリエイティブ・コモンズ 表示 2.1


Lower Mercer Limestone over Middle Mercer Coal (Middle Pennsylvanian; Rock Cut railroad cut, south-southeast of Dresden, Ohio, USA) 6
Lower Mercer Limestone over Middle Mercer Coal (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

Lower Mercer Limestone (Middle Pennsylvanian; Rt. 16 roadcut near Trinway, Ohio, USA) 11
Lower Mercer Limestone (Middle Pennsylvanian; Rt. 16 roadcut near Trinway, Ohio, USA) 11
by James St. John

クリエイティブ・コモンズ 表示 2.1

Semi-anthracite coal & mudshale (Price Formation, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 2
Semi-anthracite coal & mudshale (Price Formation, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1


Mississippian-Pennsylvanian unconformity (Rt. 16 roadcut northeast of Frazeysburg, Ohio, USA) 12
Mississippian-Pennsylvanian unconformity (Rt. 16 roadcut northeast of Frazeysburg, Ohio, USA) 12
by James St. John

クリエイティブ・コモンズ 表示 2.1

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 14
Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 14
by James St. John

クリエイティブ・コモンズ 表示 2.1

Railroad tracks next to the Beltana Mine-Copper King Mine-Ajax Mine complex (South Australia)
Railroad tracks next to the Beltana Mine-Copper King Mine-Ajax Mine complex (South Australia)
by James St. John

クリエイティブ・コモンズ 表示 2.1


Semi-anthracite coal (Merrimac Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 12
Semi-anthracite coal (Merrimac Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 12
by James St. John

クリエイティブ・コモンズ 表示 2.1

Coal ball (Duquesne Coal, Upper Pennsylvanian; Steubenville West roadcut, Ohio, USA) 3
Coal ball (Duquesne Coal, Upper Pennsylvanian; Steubenville West roadcut, Ohio, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1

Middle Mercer Coal under the Lower Mercer Limestone (Pottsville Group, Middle Pennsylvanian; Symmes Creek at Mollies Rock Road bridge, Muskingum County, Ohio, USA) 2
Middle Mercer Coal under the Lower Mercer Limestone (Pottsville Group, 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


Sandstone-coal-tonsteins (Ericson Sandstone over Rock Springs Formation, Upper Cretaceous; hairpin curve roadcut along Superior Cutoff Road, east of Superior, Wyoming, USA) 7
Sandstone-coal-tonsteins (Ericson Sandstone over Rock Springs Formation, Upper Cretaceous; hairpin curve roadcut along Superior Cutoff Road, east of Superior, Wyoming, USA) 7
by James St. John

クリエイティブ・コモンズ 表示 2.1

Semi-anthracite coal (Merrimac Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 5
Semi-anthracite coal (Merrimac Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 5
by James St. John

クリエイティブ・コモンズ 表示 2.1

Lower Mercer Limestone over Middle Mercer Coal (Middle Pennsylvanian; Rock Cut railroad cut, south-southeast of Dresden, Ohio, USA) 3
Lower Mercer Limestone over Middle Mercer Coal (Middle Pennsylvanian; Rock Cut railroad cut, south-southeast of Dresden, Ohio, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1


Structural polish in semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 1
Structural polish in semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 1
by James St. John

クリエイティブ・コモンズ 表示 2.1

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 19
Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 19
by James St. John

クリエイティブ・コモンズ 表示 2.1

Mississippian-Pennsylvanian unconformity (Rt. 16 roadcut northeast of Frazeysburg, Ohio, USA) 7
Mississippian-Pennsylvanian unconformity (Rt. 16 roadcut northeast of Frazeysburg, Ohio, USA) 7
by James St. John

クリエイティブ・コモンズ 表示 2.1



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