The 1.5 million acres of coastal plain, which is where any drilling would take place, is a vast, mostly barren, arctic desert most of the year.
(The 1.5 million acres of coastal plain; is; a vast, mostly barren, arctic desert most of the year) (coastal plain; is; where any drilling would take place) Context(coastal plain is,List([25, 48))):(any drilling; would take; place)
coastal plain is,List([25, 48))
The 1.5 million acres of coastal plain coastal plain any drilling
is is would take
a vast, mostly barren, arctic desert most of the year
where any drilling would take place
place