TY  - RPRT
TI  - History and progress of the North American Soil Geochemical Landscapes Project, 2001-2010
AU  - David B. Smith
AU  - William F. Cannon
AU  - Laurel G. Woodruff
AU  - Francisco Moreira Rivera
AU  - Andrew N. Rencz
AU  - Robert G. Garrett
PY  - 2012
UR  - https://pubs.usgs.gov/publication/70044961
ID  - 70044961
ER  -