Garrett, R.G., (2009). Relative spatial soil geochemical variability along two transects across the United States and Canada. In Geochemical studies of North American soils: results from the pilot study phase of the North American Soil Geochemical Landscapes Project, D.B. Smith (ed.). Applied Geochemistry, Volume 24, Issue 8, p. 1405-1415.
|1|Soil sampling pilot study, Canadian component, Manitoba and North Dakota, 2004.
|1||Relative spatial soil geochemical variability along two transects across the United States and Canada; Garrett, R G. Applied Geochemistry Vol. 24, 8, 2009; pages 1405-1415() (more)||-|