flash flood: a sudden and violent
flood
to establish the true scale: to find out the actual size
landslides: large amounts of earth
moving or collapsing on a hillside
are a regular feature: happen often
logging: cutting down trees to sell the wood
strip: if you strip something you
leave it bare
correspondingly heavy floods: floods which will be equally
extreme
lucrative: very profitable
entrenched: firmly established
interests: here: people who make
a profit from logging