asphalt
barren
bedrock
bitumen
blue
body
brown
burden
coal
colliery
cut
destruction
digging
dirt
economical
economics
ecosystem
environment
exhausted
exploitation
extraction
feature
geologic
grass
gravel
highway
horizon
land
landscape
mass
mine
mining
mound
mountain
operation
ore
over
overburden
pit
reclaimed
removed
rock
scar
scoured
seam
site
soil
spoil
surface
waste