Figure F79. Comparison of GRA density (dots) and bulk density (open squares). Most of the measurements agree, except in Unit 5. The GRA densities are slightly smaller than the bulk densities of individual measurements in Units 5 to 14 and are slightly higher in Units 1 to 4.

Figure F79. Comparison of GRA density (dots) and bulk density (open squares). Most of the measurements agree, except in Unit 5. The GRA densities are slightly smaller than the bulk densities of individual measurements in Units 5 to 14 and are slightly higher in Units 1 to 4.