id	keyword
esrj-92387	environment
esrj-92387	mining
esrj-92387	development
esrj-92387	restoration
esrj-92387	area
esrj-92387	damage
esrj-92387	process
esrj-92387	structure
esrj-92387	countermeasures
esrj-92387	water
esrj-92387	resources
esrj-92387	destruction
esrj-92387	surface
esrj-92387	protection
esrj-92387	changes
esrj-92387	land
esrj-92387	evaluation