Juniper, spruce, cranberry, cottonwood and rose. Most people think of pine trees and berries amid beautiful country fields. But for one contractor based just below the Arctic Circle in the US state of Alaska, the names represent a successful job completed using machine control. Valley General Construction recently finished a US$350,000 contract for the upgrading of country roads in the local borough of Matanuska-Susitna. The colourful names belong to roads in a heavily wooded residential subdivision located