Blocks of soil removed from the Ravi phase section were taken to the University of Wisconsin, where they were impregnated with resin and sliced thin for microscopic analysis of cross sections of the bead-making strata.
Blocks of soil removed from the Ravi phase section were taken to the University of Wisconsin, where they were impregnated with resin and sliced thin for microscopic analysis of cross sections of the bead-making strata.