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Filtering by: Subject Caterpillar tractors

Development of cat logging in steep country

Creator:

Christiansen, Owen R.

Resource Type:

Undergraduate Thesis

Full Text:

3 5 8 13 15 k INTRODUCTION Since January 1935(1), the modern tractor has proved to
Arch mounted on crawler tractor

Creator:

Forest Products Laboratory (U.S.), Miller, Raymond H. (Raymond Herbert), 1895-, and Fobes, E. W.

Resource Type:

Technical Report

Full Text:

on a caterpillar tractor (D-4), and is used for skidding medium to large-sized hardwood logs. A
Cat logging in the Douglas fir area

Creator:

Workman, Philip

Resource Type:

Undergraduate Thesis

Full Text:

........,.. II Grouñd. Types with Reference to Tractor Operation I G-eneral Rules for Laying Out Cat Roads
Caterpillar logging

Creator:

Drewfs, Henry F.

Resource Type:

Undergraduate Thesis

Full Text:

feature. acknowledgements Thanks are especially due to the Caterpillar Tractor Company, Allis-Chalmers