Division 1 plant material check list
Publisher: U.S. Dept. of Commerce, Bureau of Public Roads
Published: 1965
Place of publication: Washington, D.C
Language: eng
Number of pages: 36
Subjects: Roadside improvement; Vegetation classification
Other titles: Division one plant material check list.
Notes: "As revised and rendered by the AASHO Operating Committee on Roadside Development, Region 1, in cooperation with allied individuals."