What tools did Danold Johanson use to complete his research?

Danold Johanson utilized a combination of archaeological tools and techniques for his research, including excavation tools like trowels and brushes for careful digging, as well as geological mapping and radiographic imaging to analyze findings. He also employed modern technology such as 3D scanning and computer modeling to reconstruct sites and artifacts. Additionally, he conducted extensive field surveys and utilized statistical software for data analysis to support his findings.