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This story for young children traces the ice age journey of a wolf cub through the Rancho La Brea tar pits. The wolf cub runs into mastodons, bison, horses, pronghorns, giant mammoths, bears, lions, eagles, a sabertooth cat skeleton and dangerous puddles of asphalt before finding his pack again.
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This
information
circular
explains
the
series
of
resolutions
passed
by
the
International
Astronomical
Union
(IAU)
at
its
General
Assemblies
in
1997
and
2000,
and
provides
guidance
on
their
implementation.
These
resolutions
provide
the
specification
of
the
fundamental
astronomical
reference
system,
the
definition
of
time
scales
to
be
used
in
astronomy,
and
the
designation
of
conventional
models
for
...
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Choosing & Using this resource...
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This resource is part of :
U.S. Naval Observatory Astronomical Applications Department -
http:/
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When Greenville Turned Brown is a story for kids about a polluted town that the Environmental Protection Agency (EPA) must clean up. The story explains how the EPA enforces the Superfund law to get a polluting factory to fix the environmental disaster it has created and begin to produce its product in clean ways until the town of Greenville turns green again.
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This resource is part of :
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This
book
provides
an
overview
of
the
Gulf
of
Maine's
coastal
and
offshore
habitats
for
resource
managers
and
other
coastal
decision-makers
in
government,
Non-Government
Organizations
(NGOs),
and
the
private
sector.
Illustrated
with
color
photographs
and
drawings,
the
primer
describes
habitat
characteristics,
ecological
functions,
economic
and
recreational
values,
human
impacts,
and
management
considerations.
...
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This
website
provides,
in
full,
a
chapter
excerpted
from
the
book
entitled
"Ecosystem
Management:
Applications
for
Sustainable
Forest
and
Wildlife
Resources"
edited
by
M.S.
Boyce
and
A.
Haney,
1997.
The
hierarchical
framework
is
a
regionalization
classification
and
mapping
system
for
stratifying
the
Earth
into
progressively
smaller
areas
of
increasingly
uniform
ecological
potentials.
Ecological
types
...
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This
downloadable
guide
describes
the
state
of
the
drinking
water
supply
in
the
United
States
and
what
is
being
done
to
protect
it.
The
theme
is
ensuring
safe
drinking
water
through
the
multiple-barrier
approach,
which
includes
risk
prevention,
risk
management,
risk
monitoring
and
compliance,
and
individual
action
barriers.
The
Safe
Drinking
Water
Act
(SDWA)
amendments
of
1996
outline
six
steps
for
...
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This
on-line
text
offers
chapters
on:
a
Basic
Description
of
Earthquake
History,
Where
Earthquakes
Occur,
How
Earthquakes
Happen,
Measuring
Earthquakes,
Volcanoes
and
Earthquakes,
and
Predicting
Earthquakes.
Originally
published
as
a
book
in
a
series
of
general
interest
publications
prepared
by
the
U.S.
Geological
Survey.
Some
figures
in
this
version
of
"Earthquakes",
however,
have
been
changed
for
...
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Choosing & Using this resource...
Comments and Teaching Tips
Read (4)
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Offered
by
the
United
States
Geological
Survey
(USGS)
as
a
general
interest
publication,
this
site
is
an
online
edition
of
a
text
by
the
same
name,
offering
a
concise
overview
of
the
concepts
associated
with
the
age
of
the
Earth.
The
online
edition
was
revised
in
October
of
1997
to
reflect
current
thinking
on
this
topic.
Section
headers
are
Geologic
Time,
Relative
Time
Scale,
Major
Divisions
of
Geologic
...
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This
is
one
chapter
from
a
textbook
entitled
Scoring
Rubrics
in
the
Classroom:
Using
Performance
Criteria
for
Assessing
and
Improving
Student
Performance.
In
this
chapter,
the
authors
link
assessment
and
instruction
by
exploring
the
use
of
rubrics
as
instructional
tools
to
involve
students
in
their
own
assessment
and
improve
student
performance.
Practical
strategies
for
teaching
performance
criteria
...
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Download this free eBook version of Charles Darwin's famous expedition around the globe from 1831-1836, under the command of Captain Robert FitzRoy. It was on this journey that Darwin visited the Galapagos Islands where he observed the native finches, that led to the development of his highly controversial theory of evolution and natural selection.
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