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Planetary Geology pdf - NASA

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Figures 2.7.a.,<br />

2.7.b. Meteor<br />

Crater, Arizona: (a)<br />

vertical view, (b)<br />

oblique view. One of<br />

the best preserved<br />

meteor impact<br />

craters in the world,<br />

Meteor Crater was<br />

formed about 20,000<br />

years ago. North is<br />

to the top. (a,<br />

University of Illinois<br />

Catalog of<br />

Stereogram Aerial<br />

Photographs, #5; b,<br />

Photograph courtesy<br />

U.S. Geological<br />

Survey.)<br />

N<br />

Exercise Two: Geologic Landforms<br />

Seen on Aerial Photos<br />

400 M<br />

EG-1998-03-109-HQ Activities in <strong>Planetary</strong> <strong>Geology</strong> for the Physical and Earth Sciences<br />

27<br />

N

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