3d
bedrock
clay
clayey
cross
crust
cycle
diagram
diagrams
dirt
earth
environment
fertile
geology
grass
ground
horizon
humus
illustration
infographic
isometric
land
landscape
layer
layers
material
mineral
mineral ore
natural
natural resources
nature
organic
orthographic
particle
plant
realistic
rock
roots
sand
science
section
slice
soil
stones
subsoil
texture
threedimensional
topsoil
wilderness