The state archaeologist has the primary responsibility for investigating, preserving, and reinterring discoveries of ancient human remains. For the purposes of this section, ancient human remains are those remains found within the state which are more than one hundred fifty years old. The state archaeologist shall make arrangements for the services of a forensic osteologist in studying and interpreting ancient burials and may designate other qualified archaeologists to assist the state archaeologist in recovering physical and cultural information about the ancient burials. The state archaeologist shall file with the Iowa department of public health a written report containing both physical and cultural information regarding the remains at the conclusion of each investigation.