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Search the 2-minute gridded global relief data and images to get ocean and land areas, 30-second gridded land topography, or archived 5-minute gridded global relief data for your area of choice. Read the geographic selection information for directions on how to select an area.
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Choosing & Using this resource...
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Defines
geodesy
and
introduces
the
National
Geodetic
Survey.
View
a
tutorial
on
the
history,
elements
and
modern
methods
of
geodesy.
Applications
of
mapping
are
illustrated:
determining
land
boundaries
and
shorelines;
improving
transportation
and
navigation
safety.
Lesson
plans
include
tutorials,
data
for
classroom
mapping
activities,
resource
links
and
teacher
guides.
A
NSTA
SciLinks
selected
site.
...
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Related resources and collections
This resource is referenced by :
This resource is included in the following collections:
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Multimedia
approach
promotes
ocean
exploration
and
conservation.
Underwater
expeditions
to
National
Marine
Sanctuaries
provide
case
studies
and
data
for
lesson
plans.
Topics
include:
biological
oceanography;
ocean
regions
and
habitats;
physical
ocean
process;
human
links
to
and
impacts
on
the
ocean;
applications
of
oceanography.
Virtual
expeditions
link
the
classroom
experience
with
the
individual
...
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Choosing & Using this resource...
Educational standards associated with this resource:
National Geography Standards: Read
Related resources and collections
This resource is included in the following collections:
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