Explorations
- American astronomer and University of Arizona professor A. E. Douglass participates in a National Geographic Society research project under Neil Merton Judd exploring Chaco Canyon. Using his newly invented technique of dendrochronology, Douglass dates Chetro Ketl and dozens of Chacoan sites (through 1929).
- Tell Arpachiyah in Iraq explored by Reginald Campbell Thompson.
Read more about this topic: 1928 In Archaeology