Research division

Type

Article

Date of Publication

1972

Original Publication

Newsletter Arboreta and Botanic Gardens

Volume

1972:May.10

Pages

1

Subjects

Air pollution -- Research , Hanson, George P , Thorne, Linda , Tree planting -- California -- Pasadena

Contributed by

The Arboretum Library at the Los Angeles County Arboretum & Botanic Garden

Language

English

Published by

Arcadia, County of Los Angeles, Public Services Division,