earsel.orgearsel.org/wp-content/uploads/2016/11/1-1_06_Drake.pdf · DRAKE: MAPPING WITH THE GERIS...
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earsel.orgearsel.org/wp-content/uploads/2016/11/1-1_06_Drake.pdf · DRAKE: MAPPING WITH THE GERIS luvium. The composition of this soil (a fine clay) is similar over all rock types