Soil layers with bones Surface horizons with fossil reptile skeleton upper layer of earth structure with mixture of organic matter minerals Buried lizard bones in dirt and underground clay layer

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• fossil
• dino
• underground
• dinosaur
• dinasour
• geology
• cartoon dinosaur
• ground
• land
• grass land
• soil
• green land
• grass ground
• svg
• background grass
• bone
• skeleton
• cartoon grass
• grass
• cartoon design
• cartoon
• reptile
• level
• illustrations
• lizard
• biology
• green ground
• field
• rock
• cartoon illustration
• layers
• stone
• science
• environment
• animal clipart
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