The
Center
for
Biological
Diversity
and
Western
Watersheds
Project
sued
the
Bureau
of
Land
Management
in
2011,
alleging
that
the
project
received
inadequate
environmental
scrutiny.
The
environmentalists
were
particularly
concerned
with
the
proximity
of
the
project
to
a
cave
housing
migratory
and
resident
bat
populations,
including
Mexican
free-tail
bats.
Pattern,
however,
is
a
leader
in
using
radar
to
detect
birds
and
bats
around
wind
projects
and
is
deploying
systems
at
Spring
Valley
that
can
detect
the
bats
as
they
enter
and
exit
the
cave.
The
lawsuit
failed
to
stop
the
project,
which
is
under
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