Chain of custody--recommendations for acceptance and analysis of evidentiary geochemical samples / 
by Christine Murphy ... [et al.]. 
 - Washington :  U.S. Government Printing Office],  1997. 
 - iv, 26 p. :  ill. ;  28 cm. 
 - U.S. Geological Survey circular ;  1138 .
<br/><br/> 'Mineral Resource Survey Program Committee report detailing the guidelines for acceptance and handling of evidentiary geochemical samples.' 
<br/><br/>Includes bibliographical references (p. 17). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forensic geology--United States.<br/>Chemistry, Forensic--United States.<br/>Evidence, Real--United States.<br/>Analytical geochemistry.
<br/><br/><label>LC Class. No.: </label>KF8964  / .C46 1997