Word: crawler
(lookup in dictionary)
(lookup stats)
Dates: during 1980-1989
Sort By: most recent first
(reverse)
Other, more expensive tactics are root plowing (a Caterpillar dragging a flat steel blade cuts off the roots beneath the surface) and tree dozing (a crawler tractor with a tree bit on the front uproots each tree). Tree dozing worked so well on John Cargile's ranch at Arden, Texas, that whole stretches of his range are innocent of mesquite. The land gives an impression of splendid cleanliness. A creek flows not far from the ranch house-a sweet luxury in a dry country. Cargile and his wife Ta will take a guest there for a picnic...
...shuttle that is to orbit at speeds up to 17,500 m.p.h. was trundled to its lift off site on a massive crawler-tractor that took 7½ hours to creep the 3½ miles from the Kennedy Space Center's immense Vehicle Assembly Building. NASA's delight could be detected as far away as Houston. There, a technician watching the proceedings on television at the Johnson Space Center exclaimed what many felt: "Hey! This is for real! We're back to launching birds again." It has been a long time between shots...