TY  - RPRT
TI  - Levelling and merging of two discrete national-scale geochemical databases: A case study showing the surficial expression of metalliferous black shales
AU  - Steven M. Smith
AU  - Ryan T. Neilson
AU  - Stuart A. Giles
PY  - 2015
UR  - https://pubs.usgs.gov/publication/70189247
ID  - 70189247
ER  -