Thirty important forest trees of Maryland.  How to know them. 
F. S. Besley, state forester. 
 - [Baltimore, Md.]  1922. 
 - 34 p., 1 l.  illus.  23 1/2 x 13 cm. 
<br/><br/> In cooperation with the Forest service, U.S. Department of agriculture. 
<br/><br/><label>LCCN: </label>agr23000341  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trees--Maryland.
<br/><br/><label>LC Class. No.: </label>QK484.M3  / A5 1922 
<br/><br/><label>National Agricultural Library Call No.: </label>99.3M36