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This data from four Landsat satellites, shows the traditional

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rectangular patchwork of agricultural fields in the Texas panhandle

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being overtaken by the signature polka-dotted pattern of center-pivot irrigation.

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The bright red colors show

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healthy vegetation due to irrigation in this false-color composite.

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The data shows reflected light in the near-infrared, red, and green regions of the electromagnetic spectrum.

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Green and white colors are bare soil, fallow fields, and sparse grasslands.

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The X shows roads into the town of Dalhart.

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The final image is a natural color view of Dalhart today.

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