Figure F11. A, B. Comparison between bulk density measured by gamma ray attenuation (GRA) and moisture and density (MAD) methods. C. Correlation of grain density (GD) and bulk density (BD; MAD method). D. Correlation of porosity and BD (MAD method). E. Correlation of P-wave velocity sensor (PWS3) and BD (MAD method) measurements.

Figure F11. A, B. Comparison between bulk density measured by gamma ray attenuation (GRA) and moisture and density (MAD) methods. C. Correlation of grain density (GD) and bulk density (BD; MAD method). D. Correlation of porosity and BD (MAD method). E. Correlation of P-wave velocity sensor (PWS3) and BD (MAD method) measurements.