Layers of soil showcasing different colors and textures in a geological formation
Keywords
dirtied,
geology,
layer,
earth,
brown,
black,
beige,
texture,
formation,
natural,
environment,
colours,
stratification,
landscape,
composition,
nutrient,
ground,
fertility,
mineral,
excavation,
construction,
agriculture,
ecology,
science,
sediment,
organic,
clay,
rock,
profile,
horizon,
nature,
terrain,
discovery,
study,
topography,
analysis,
ecosystem,
underground,
variety,
sampling,
research,
material,
cultivation