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Methods
This investigation was unique because researchers located archeological materials without actually digging in the ground. They investigated prehistoric materials by using two kinds of equipment: a magnetometer and an electric resistance meter. A magnetometer measures magnetic intensities, and an electric resistance meter senses electric intensities under the surface of the ground. These meters detected archeological remnants that created localized magnetic or electric changes opposed to the surrounding areas. Once the geophysical survey was completed, researchers excavated a small part of the site in order to verify the findings.
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| Magnetometer | Electric Resistance Meter |
Source:
D'Appolonia Environmental Services, Inc.
2003 Report for Contract Q7380020717 Geophysical Survey of LA 1674 Aztec
Ruins
National Monument. Report Prepared for IMR – AZRU – Aztec Ruins National
Monument, Aztec, New Mexico.