Chewings, Charles. <br/><br/>
Rock phosphates and other mineral fertilisers :  their origin, value, and sources of supply / 
by Charles Chewings ... ; with map of the Clinton deposit. 
 - Adelaide, South Australia :  C.E. Bristow, government printer,  1903. 
 - 48 p. :  fold., map ;  22 cm. 
<br/><br/><label>LCCN: </label>gs 05001234  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Phosphates.
<br/><br/><label>LC Class. No.: </label>S647  / .C5