Titre Machine driving of wooden and steel highway guardrail posts under adverse conditions / by Charles J. Gatchell and Edwin L. Lucas.

Adresse Bibliographique

Upper Darby, Pa : Northeastern Forest Experiment Station, 1971.

Exemplaires

Localisation	Cote	Statut
Innovative University Kline Collection	SD11 .A4554493 no. 212	AVAILABLE

Description	18 p : illus ; 23 cm.
Collection	U.S.D.A. Forest Service research paper NE-212
	United States. Northeastern Forest Experiment Station, Upper Darby, Pa. U.S.D.A. Forest Service research paper NE -212.
Notes	Cover title.
Sujet	Roads -- Guard fences.
	Pile drivers.
Autre Auteur	Lucas, Edwin L.