Dr. Clarence Bockhop experiments with grading sand in the soil bin using scale model implements and similitude principles to study soil-tool interaction.
Dr. Clarence Bockhop experiments with grading sand in the soil bin using scale model implements and similitude principles to study soil-tool interaction.
This diary belonged to an unknown soldier in Company C, 4th Infantry, California Volunteer Regiment, who was assigned to a detail guarding a wagon train carrying specie to the east.
This diary belonged to an unknown soldier in Company C, 4th Infantry, California Volunteer Regiment, who was assigned to a detail guarding a wagon train carrying specie to the east.
