Martin Hillman <br/><br/>
Bridging a continent 

 - London  Aldus  1971 
 - 191p   illustrations (some color), color facsimiles, maps (some color), portraits (some color)  27cm 
 - Aldus encyclopedia of discovery and exploration. .
<br/><br/> 	<br/>	<br/>Covers the topics of westward expansion, fur trading, and the discovery of California 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>  West (U.S.) -- Discovery and exploration -- Juvenile literature. <br/> Discoveries in geography.<br/>West United States.
<br/><br/><label>Dewey Class. No.: </label>970.01 H645b