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Published in Soil Sci Soc Am J 29:761-762 (1965)
© 1965 Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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A Tool for Removing Neutron Probe Access Tubes from the Soil1

Ralph E. Campbell, Associate Soil Scientist

Rocky Mountain Forest and Range Exp. Sta., Forest Service, USDA, Albuquerque, New Mex.; formerly Research Soil Scientist, Agricultural Research Service, USDA, Huntley, Mont.

ABSTRACT

The tool which is described consists of a tapered shaft jacketed in a split sleeve with matching taper. As the shaft is pulled, it slips in the sleeve causing the sleeve to expand against the inner wall of the access tube. Friction between the sleeve and the tube wall holds the puller in place as the tube is drawn from the soil.

NOTES

1 Joint contribution from the Rocky Mountain Forest & Range Exp. Sta., Forest Service, and the Soil & Water Conservation Research Division, ARS, USDA.

Received for publication July 16, 1965. Accepted for publication July 22, 1965.






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Copyright © 1965 by the Soil Science Society of America.