Operations include falling, bucking, yarding, loading, transportation, sorting, and grading; advances include use of trailer relay systems, multiple truck loads up to 300,000 lb in trains up to 160 ft long, skidding grapple device for wheel tractors, Utilizer portable barker and chipper (chips right in woods), self-propelled telescopic towers with reduced move and rig-up time, and guylineless tower yarders for short-haul jobs; balloon logging experiments shave proved successful for yarding of up to 10 tons of logs over rugged terrain at speeds up to 25 mph.


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    Advances in woodlands operations -- Pacific Northwest


    Additional title:

    Tappi


    Contributors:

    Published in:

    Tappi ; 50 , n 10


    Publication date :

    1967


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    Pacific Northwest -- Alaska's shipyard

    Haydon, J.M. | Engineering Index Backfile | 1949


    Multidisciplinary Accident Study. Pacific Northwest

    E. L. Myers / R. Cronin / N. David et al. | NTIS | 1973


    Emergency shipyard of pacific northwest

    Mann, C.F.A. | Engineering Index Backfile | 1941



    Wood chip handling in Pacific Northwest

    Johnson, R.W. | Engineering Index Backfile | 1967