Del. Code Ann. tit. 7, § 5403
Avoidance, protection, and preservation of remains
83 Del. Laws, c. 142, § 1;
All persons are encouraged to undertake due diligence to identify, demarcate, and preserve in situ, unmarked human burials to avoid encountering skeletal remains; and to share information with the Division of Historical and Cultural Affairs, including reports or studies undertaken for these purposes.