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USGS 1:24K Quadrangle
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Featured collections Illustrations Artwork By subject Animals
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32 resources
32 resources
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Animals

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Mammoths fighting
Mammoths fighting  
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The Pleistocene Period
The Pleistocene Period  
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The Pennsylvanian Period
The Pennsylvanian Period  
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The Mississippian Period
The Mississippian Period  
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The Devonian Period
The Devonian Period  
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The Silurian Period
The Silurian Period  
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The Silurian Period
The Silurian Period  
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A Molluscan Heyday - The Ordovician Period
A Molluscan Heyday - The...  
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The Cambrian Period
The Cambrian Period  
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Blind cave fish
Blind cave fish  
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Swamp Scene from the Pennsylvanian Period ~200 million years ago
Swamp Scene from the...  
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Trilobite
Trilobite  
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Mammoth and Mastodon teeth
Mammoth and Mastodon teeth  
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Devonian Fish
Devonian Fish  
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Mammoth
Mammoth  
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Four eurypterids
Four eurypterids  
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Mammoths with Musk Oxen
Mammoths with Musk Oxen  
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Devonian underwater scene
Devonian underwater scene  
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Pleistocene era herd of Mastodons
Pleistocene era herd of...  
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Cambrian Era underwater scene
Cambrian Era underwater scene  
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Jurassic scene with dinosaurs
Jurassic scene with dinosaurs  
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Silurian Era
Silurian Era  
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Pennsylvania Swamp Forest
Pennsylvania Swamp Forest  
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A Molluscan Heyday - The Ordovician Period
A Molluscan Heyday - The...  
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A Moment of Glory - The Silurian Period
A Moment of Glory - The...  
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Of Pride and Humility - The Mississippian Period
Of Pride and Humility -...  
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Mammoth and mastodon drawings
Mammoth and mastodon drawings  
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Nautilus eating a fish
Nautilus eating a fish  
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Nautilus eating a fish
Nautilus eating a fish  
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Cardinal
Cardinal  
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Hunter and pheasant
Hunter and pheasant  
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Mammoths fighting
Mammoths fighting