Humboldt, Alexander von,  1769-1859. <br/><br/>
A geognostical essay on the superposition of rocks in both hemispheres. 
By Alexandre de Humboldt. Tr. from the original French. 
 - London,  Longman, Hurst, Rees, Orme, Brown, and Green,  1823. 
 - [v]-viii, 482 p.  22 cm. 
<br/><br/><label>LCCN: </label>gs 05000994  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petrology.<br/>Geology.
<br/><br/><label>LC Class. No.: </label>QE602  / .H9