This data from four Landsat satellites, shows the traditional
rectangular patchwork of agricultural fields in the Texas panhandle
being overtaken by the signature polka-dotted pattern of center-pivot irrigation.
The bright red colors show
healthy vegetation due to irrigation in this false-color composite.
The data shows reflected light in the near-infrared, red, and green regions of the electromagnetic spectrum.
Green and white colors are bare soil, fallow fields, and sparse grasslands.
The X shows roads into the town of Dalhart.
The final image is a natural color view of Dalhart today.