National Geographic : 1969 Jan
Helium-filled skyhook hoists logs out of a mist drenched valley in western Oregon. By steel cables attached to the balloon's dangling cargo line, a tractor-type yarding don key controls the load and pulls it in to the landing point. Trucks take over from there. Balloon-logging elimi nates the need for goug ing costly, land-defacing roads in precipitous tim ber country. Trees on this steep slope lost their tops in a violent storm seven years ago.