Maryland and its natural resources, 
prepared by the Maryland Geological survey.  Wm. Bullock Clark, state geologist. 
 - Baltimore,  1901. 
 - 38 p.  illus., fold. map.  23 cm. 
<br/><br/> At head of title: Official publication of the Maryland commissioners Pan-American exposition. 
<br/><br/>
<br/><br/><label>LCCN: </label>gs 05000190  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Maryland--Description and travel.
<br/><br/><label>LC Class. No.: </label>F181  / .M29