Addendum of 2020-02-10, ca. 1968-2001

Includes HAER engineering drawings for a variety of structures and equipment (ca. 1970s); photographs from an envelope labeled "Fairbanks Oil" (undated); an honorary diploma for and a group photograph showing Roland Parker Davis (a dean of West Virginia University’s College of Engineering and the designer of historic bridges in West Virginia; 1968 and undated); and a folder of material for IHTIA's field school and Canadian oil work (ca. 2001).