Planning and management of roadside vegetation;  an analysis of principles. 

 - Washington,  1956. 
 - iv, 48 p.  illus.  28 cm. 
 - Highway Research Board. Special report 23 National Research Council (U.S.). Publication .
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Landscape gardening.<br/>Roadside improvement.<br/>Tree planting.
<br/><br/><label>Dewey Class. No.: </label>715  / NAT