300 dpi: (k4901-16.jpg)
640 pixels wide: (k4901-16.jpg)
![]() Image Number K4901-16 |
Computer-controlled center pivot irrigation systems can be connected by modem to radios or telephones so farmers can run them remotely.
Photo by Doug Wilson
300 dpi: (k4901-16.jpg)
640 pixels wide: (k4901-16.jpg)
![]() Image Number K4901-16 |
Computer-controlled center pivot irrigation systems can be connected by modem to radios or telephones so farmers can run them remotely.
Photo by Doug Wilson