Intermediate support for a skyline logging system | Intermediate support for a skyline logging system [Device is arranged to permit a logging carriage to travel past the intermediate location substantially without being obstructed by the device; the device consists of a supporting sheave assembly supported on a transverse line extending between two intermediate spars or spar trees; citation only]
1982
Biller, C.J.
Informations bibliographiques
D'autres materias
Laws and regulations; Forestry production (harvesting and engineering); United states
Langue
anglais
Note
Copies of usda patents are available for a fee from the commissioner of patents and trademarks, u.s. patents and trademarks office, washington, d.c. 20231.
Includes references.
Type
Text; Monograph; Book
2024-02-27
MODS
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