Douglas, Edward Morehouse,  1855-1932. <br/><br/>
Boundaries, areas, geographic centers and altitudes of the United States and the several states,  with a brief record of important changes in their territory, 
by Edward M. Douglas. 
 - Washington,  Govt. print. off.,  1923. 
 - vi, 234 p.  VII pl. (incl. 2 fold. maps) maps, diagrs.  23 cm. 
 - United States Geological survey. Bulletin 689 .
<br/><br/> At head of title: Department of the interior.  Two maps folded in pocket.  Biographical references. 
<br/><br/><label>LCCN: </label>gs 23000250  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geography--United States.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Altitudes.<br/>United States--Boundaries.
<br/><br/><label>LC Class. No.: </label>E179.5  / .D73