TY  - RPRT
TI  - Chain of custody; recommendations for acceptance and analysis of evidentiary geochemical samples
AU  - Christine M. Murphy
AU  - Paul H. Briggs
AU  - Betty M. Adrian
AU  - Steve A. Wilson
AU  - Phil L. Hageman
AU  - Pete M. Theodorakos
PY  - 1997
DO  - 10.3133/cir1138
UR  - https://pubs.usgs.gov/publication/cir1138
ID  - cir1138
ER  -