Grimes, D. J.  1943- <br/><br/>
Direct-current arc and alternating-current spark emission spectrographic field methods for the semiquantitative analysis of geologic materials, 
by D. J. Grimes and A. P. Marranzino. 
 - Washington,  1968. 
 - iii, 6 p.  illus.  26 cm. 
 - Geological Survey circular 591 .
 - Geological Survey circular ;  591. .
<br/><br/>Bibliography: p. 6. 
<br/><br/><label>LCCN: </label>gs 68000386  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spectrum analysis.<br/>Geology--Fieldwork.<br/>Geochemistry.
<br/><br/><label>LC Class. No.: </label>QE75  / .C5 no. 591 
<br/><br/><label>Dewey Class. No.: </label>543/.6