Simpson, Edward S.  1875-1939. <br/><br/>
Sources of industrial potash in Western Australia, 
by Edward S. Simpson ... with two appendices. 1. Examination of Western Australian seaweeds for potash and iodine, by I.H. Boas ... 2. Alunite deposits at Kanowna, by T. Blatchford ... With two plates, four figures. 
 - Perth,  F.W. Simpson, government printer,  1919. 
 - 46 p.  II pl. (plan, fold. map) diagrs.  21 cm. 
 - Western Australia. Geological survey. Bulletin  no. 77 .
 - Bulletin (Geological Survey of Western Australia) ;  no. 77. .
<br/><br/><label>LCCN: </label>gs 20000168  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Potash industry and trade--Western Australia.<br/>Alunite.<br/>Iodine.
<br/><br/><label>LC Class. No.: </label>QE348  / .A2 no. 77