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1/350 • f/8.0 • 120.0 mm • ISO 200 •

PENTAX K20D

A Series Lens

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Keywords

archaeology •
geophysics •
USA •
WI •
Pentax K20D •
National Park Service •
Aztalan •
Mississippian site •


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Resistance survey

Resistance survey
Course participants using the Geoscan RM15 resistance meter at Aztalan, WI.

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