1 00:00:00,040 --> 00:00:04,220 This data from four Landsat satellites, shows the traditional 2 00:00:04,240 --> 00:00:08,430 rectangular patchwork of agricultural fields in the Texas panhandle 3 00:00:08,450 --> 00:00:14,079 being overtaken by the signature polka-dotted pattern of center-pivot irrigation. 4 00:00:14,100 --> 00:00:16,800 The bright red colors show 5 00:00:16,820 --> 00:00:20,970 healthy vegetation due to irrigation in this false-color composite. 6 00:00:20,990 --> 00:00:28,830 The data shows reflected light in the near-infrared, red, and green regions of the electromagnetic spectrum. 7 00:00:28,850 --> 00:00:35,450 Green and white colors are bare soil, fallow fields, and sparse grasslands. 8 00:00:35,470 --> 00:00:38,730 The X shows roads into the town of Dalhart. 9 00:00:38,750 --> 00:00:39,480 10 00:00:39,500 --> 00:00:44,680 The final image is a natural color view of Dalhart today. 11 00:00:44,700 --> 00:00:50,030