Geophysical Services, Inc., Dallas, TX No description specified. 1-2 (2 Records) Documents Archaeological Investigations of Geophysical Services, Inc. Geochemical Lines 2, 3, and 5, South of Jensen, Uintah County, Utah (1984) Cultural Resource Inventory of Geophysical Services, Inc. Geochemical Lines IA and Ib in the Lisbon Valley and Big Indian Valley Area, San Juan County, Utah (1984)