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Earth and Space Science
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Using Radioactive Decay to Determine Age

01-26-2015

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01-26-2015

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Earth and Space Science
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Using Radioactive Decay to Determine Age

01-26-2015

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01-26-2015

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Earth and Space Science
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Geologic Time

07-28-1997

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07-28-1997

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Earth and Space Science
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Relative Time Scale

07-28-1997

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07-28-1997

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Earth and Space Science
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Major Divisions of Geologic Time

08-27-1999

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08-27-1999

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Earth and Space Science
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Index Fossils

07-28-1997

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07-28-1997

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Earth and Space Science
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Correlation of Rock Units within a Small Area

07-28-1997

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07-28-1997

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Earth and Space Science
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Composite Geologic Section

07-28-1997

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07-28-1997

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Earth and Space Science
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Radiometric Time Scale

06-13-2001

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06-13-2001

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Earth and Space Science
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Age of the Earth

07-09-2007

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07-09-2007

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Earth and Space Science
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Dinosaurs: Fact and Fiction

08-06-2007

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08-06-2007

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Earth and Space Science
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Introduction

06-26-1997

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06-26-1997

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Earth and Space Science
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Putting Events in Order

06-26-1997

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06-26-1997

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Earth and Space Science
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The Relative Time Scale

06-26-1997

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06-26-1997

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Earth and Space Science
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Rocks and Layers

06-26-1997

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06-26-1997

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Earth and Space Science
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Fossils and Rocks

06-26-1997

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06-26-1997

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Earth and Space Science
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Fossil Succession

06-26-1997

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06-26-1997

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Earth and Space Science
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The Numeric Time Scale

06-26-1997

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06-26-1997

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