Exxon, Denver, Co No description specified. 1-2 (2 Records) Documents Letter Report: Affidavit of Archaeological Surface Inspection, Exxon Lake Ridge Well Unit No. 1 and Adjoining Access Road (1980) Letter Report: Affidavit of Cultural Resource Inventory 80-Wwc-279, Exxon Access Road for Road Hollow Unit #3 (1980)