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1.
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For the backyard lay out a grid pattern with string.
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2.
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Slowly overlap each swing of the coil through each grid.
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3.
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Focus on areas with a history of the most traffic.
Examples:
a. Short-cuts.
b. Lawn next to sidewalks.
c. Areas where people have sat.
d. Areas where people have practiced sports.
e. Areas where people have pulled out things like keys.
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4.
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Explore around old trees and other natural markers.
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5.
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Be patient and prepared to take days for a thorough search.
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