Hilgard, Eugene W.  1833-1916. <br/><br/>
Supplementary and final report of a geological reconnoissance of the state of Louisiana,  made under the auspices of the New Orleans academy of sciences, and of the Bureau of immigration of the state of Louisiana, in May and June, 1869. 
By Eug. W. Hilgard ... 
 - New Orleans,  Picayune Steam Job Print,  1873. 
 - 44 p.  24 cm. 
<br/><br/><label>LCCN: </label>gs 05000304  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Louisiana.<br/>Soils--Louisiana.
<br/><br/><label>LC Class. No.: </label>QE117  / .H7