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Crocodilian footprint (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 16
Crocodilian footprint (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 16
by James St. John

クリエイティブ・コモンズ 表示 2.1

Vermont Roadways
Vermont Roadways
by Šarūnas Burdulis

クリエイティブ・コモンズ 表示-継承 2.1

Mesa Gravels (Pleistocene; Red Rock Canyon Open Space, Colorado Springs, Colorado, USA) 8
Mesa Gravels (Pleistocene; Red Rock Canyon Open Space, Colorado Springs, Colorado, USA) 8
by James St. John

クリエイティブ・コモンズ 表示 2.1


2013_06_25-26_syd-akl-lax-iad-ewr_492
2013_06_25-26_syd-akl-lax-iad-ewr_492
by dsearls

クリエイティブ・コモンズ 表示 2.1

Dinosaur bones in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 29
Dinosaur bones in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 29
by James St. John

クリエイティブ・コモンズ 表示 2.1

A little hogback
A little hogback
by Kyle Hartshorn

クリエイティブ・コモンズ 表示 2.1


Cross-bedded sandstones (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 3
Cross-bedded sandstones (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1

Dakota Sandstone (Lower Cretaceous; Turkey Creek Watergap, southwest of Denver, Colorado, USA) 15
Dakota Sandstone (Lower Cretaceous; Turkey Creek Watergap, southwest of Denver, Colorado, USA) 15
by James St. John

クリエイティブ・コモンズ 表示 2.1

Roll front deposit hosted in Dakota Sandstone (Turkey Creek Road roadcut, Dakota Hogback, near Denver, Colorado, USA) 3
Roll front deposit hosted in Dakota Sandstone (Turkey Creek Road roadcut, Dakota Hogback, near Denver, Colorado, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1


Dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 5
Dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 5
by James St. John

クリエイティブ・コモンズ 表示 2.1

red deer canyon
red deer canyon
by jasonwoodhead23

クリエイティブ・コモンズ 表示 2.1

Crocodilian footprint on shoreline sandstone (Dakota Sandstone, Lower Cretaceous; eastern side of Dinosaur Ridge, Colorado, USA) 2
Crocodilian footprint on shoreline sandstone (Dakota Sandstone, Lower Cretaceous; eastern side of Dinosaur Ridge, Colorado, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1


Vermont Roadways
Vermont Roadways
by Šarūnas Burdulis

クリエイティブ・コモンズ 表示-継承 2.1

Dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 10
Dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 10
by James St. John

クリエイティブ・コモンズ 表示 2.1

Crocodilian footprint on shoreline sandstone (Dakota Sandstone, Lower Cretaceous; eastern side of Dinosaur Ridge, Colorado, USA) 3
Crocodilian footprint on shoreline sandstone (Dakota Sandstone, Lower Cretaceous; eastern side of Dinosaur Ridge, Colorado, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1


Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 22
Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 22
by James St. John

クリエイティブ・コモンズ 表示 2.1

Molybdenum roll front hosted in Dakota Sandstone (Turkey Creek Road roadcut, Dakota Hogback, near Denver, Colorado, USA) 14
Molybdenum roll front hosted in Dakota Sandstone (Turkey Creek Road roadcut, Dakota Hogback, near Denver, Colorado, USA) 14
by James St. John

クリエイティブ・コモンズ 表示 2.1

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 25
Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 25
by James St. John

クリエイティブ・コモンズ 表示 2.1


Dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 7
Dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 7
by James St. John

クリエイティブ・コモンズ 表示 2.1

jerome then and now
jerome then and now
by Verde Canyon Railroad

クリエイティブ・コモンズ 表示-改変禁止 2.1

Interstate 470 (next to Dinosaur Ridge, Colorado, USA) 3
Interstate 470 (next to Dinosaur Ridge, Colorado, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1


DSC00143
DSC00143
by Bassett's Irregular Adventures

クリエイティブ・コモンズ 表示-改変禁止 2.1

Molybdenum roll front hosted in Dakota Sandstone (Turkey Creek Road roadcut, Dakota Hogback, near Denver, Colorado, USA) 2
Molybdenum roll front hosted in Dakota Sandstone (Turkey Creek Road roadcut, Dakota Hogback, near Denver, Colorado, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1

The woods
The woods
by jsalita

クリエイティブ・コモンズ 表示-改変禁止 2.1


Caririchnium leonardii (dinosaur track) (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 41
Caririchnium leonardii (dinosaur track) (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 41
by James St. John

クリエイティブ・コモンズ 表示 2.1

Dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 6
Dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 6
by James St. John

クリエイティブ・コモンズ 表示 2.1

Molybdenum roll front hosted in Dakota Sandstone (Turkey Creek Road roadcut, Dakota Hogback, near Denver, Colorado, USA) 11
Molybdenum roll front hosted in Dakota Sandstone (Turkey Creek Road roadcut, Dakota Hogback, near Denver, Colorado, USA) 11
by James St. John

クリエイティブ・コモンズ 表示 2.1


American Toad (Bufo americanus)
American Toad (Bufo americanus)
by wackybadger

クリエイティブ・コモンズ 表示-継承 2.1

Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 8
Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 8
by James St. John

クリエイティブ・コモンズ 表示 2.1

Interstate 470 (next to Dinosaur Ridge, Colorado, USA) 1
Interstate 470 (next to Dinosaur Ridge, Colorado, USA) 1
by James St. John

クリエイティブ・コモンズ 表示 2.1


Crocodilian footprint (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 15
Crocodilian footprint (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 15
by James St. John

クリエイティブ・コモンズ 表示 2.1

Deep Evening Red Rocks
Deep Evening Red Rocks
by Michael Kirsh

クリエイティブ・コモンズ 表示-継承 2.1

Roll front deposit hosted in Dakota Sandstone (Turkey Creek Road roadcut, Dakota Hogback, near Denver, Colorado, USA) 2
Roll front deposit hosted in Dakota Sandstone (Turkey Creek Road roadcut, Dakota Hogback, near Denver, Colorado, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1


Dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 9
Dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 9
by James St. John

クリエイティブ・コモンズ 表示 2.1

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 51
Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 51
by James St. John

クリエイティブ・コモンズ 表示 2.1

Crocodilian footprint (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 13
Crocodilian footprint (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 13
by James St. John

クリエイティブ・コモンズ 表示 2.1


Dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 8
Dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 8
by James St. John

クリエイティブ・コモンズ 表示 2.1

Crocodilian claw scratch marks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 7
Crocodilian claw scratch marks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 7
by James St. John

クリエイティブ・コモンズ 表示 2.1

Dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 85
Dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 85
by James St. John

クリエイティブ・コモンズ 表示 2.1


Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 26
Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 26
by James St. John

クリエイティブ・コモンズ 表示 2.1

Fossil seed pod (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 3
Fossil seed pod (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1

Cross-bedded sandstones (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 2
Cross-bedded sandstones (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1


Crocodilian footprint (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 14
Crocodilian footprint (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 14
by James St. John

クリエイティブ・コモンズ 表示 2.1

E and Silver, small hogback
E and Silver, small hogback
by lostinfog

クリエイティブ・コモンズ 表示-継承 2.1

Cross-bedded sandstones (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 1
Cross-bedded sandstones (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 1
by James St. John

クリエイティブ・コモンズ 表示 2.1


Lee at camp
Lee at camp
by jsalita

クリエイティブ・コモンズ 表示-改変禁止 2.1

Dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 51
Dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 51
by James St. John

クリエイティブ・コモンズ 表示 2.1

Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 21
Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 21
by James St. John

クリエイティブ・コモンズ 表示 2.1


Dakota Sandstone (Lower Cretaceous) (Dinosaur Ridge, Colorado, USA) 12
Dakota Sandstone (Lower Cretaceous) (Dinosaur Ridge, Colorado, USA) 12
by James St. John

クリエイティブ・コモンズ 表示 2.1

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 23
Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 23
by James St. John

クリエイティブ・コモンズ 表示 2.1

Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 27
Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 27
by James St. John

クリエイティブ・コモンズ 表示 2.1


Concretionary cone-in-cone structures (Benton Shale, Upper Cretaceous; Red Rock Canyon Open Space, Colorado Springs, Colorado, USA) 15
Concretionary cone-in-cone structures (Benton Shale, Upper Cretaceous; Red Rock Canyon Open Space, Colorado Springs, Colorado, USA) 15
by James St. John

クリエイティブ・コモンズ 表示 2.1

Dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 78
Dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 78
by James St. John

クリエイティブ・コモンズ 表示 2.1

Gray shale & bentonites (Benton Shale, Upper Cretaceous; Red Rock Canyon Open Space, Colorado Springs, Colorado, USA) 4
Gray shale & bentonites (Benton Shale, Upper Cretaceous; Red Rock Canyon Open Space, Colorado Springs, Colorado, USA) 4
by James St. John

クリエイティブ・コモンズ 表示 2.1


Gray shale & bentonites (Benton Shale, Upper Cretaceous; Red Rock Canyon Open Space, Colorado Springs, Colorado, USA) 6
Gray shale & bentonites (Benton Shale, Upper Cretaceous; Red Rock Canyon Open Space, Colorado Springs, Colorado, USA) 6
by James St. John

クリエイティブ・コモンズ 表示 2.1

Normal fault in the Dakota Sandstone-Mowry Shale (Turkey Creek Road roadcut, Dakota Hogback, near Denver, Colorado, USA) 16
Normal fault in the Dakota Sandstone-Mowry Shale (Turkey Creek Road roadcut, Dakota Hogback, near Denver, Colorado, USA) 16
by James St. John

クリエイティブ・コモンズ 表示 2.1

Caririchnium leonardii dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 3
Caririchnium leonardii dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1


Skyline Drive: South Fork Shenandoah
Skyline Drive: South Fork Shenandoah
by selkovjr

クリエイティブ・コモンズ 表示 2.1

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 76
Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 76
by James St. John

クリエイティブ・コモンズ 表示 2.1

PB072666_horsetooth
PB072666_horsetooth
by gregor_y

クリエイティブ・コモンズ 表示-継承 2.1



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