Whitehorse Geophysical, Montezuma Creek, UT No description specified. 1-2 (2 Records) Documents Archaeological Survey of 11.33 Miles of Proposed Seismic Lines for Whitehorse Geophysical in San Juan County, Utah (1987) Archaeological Survey of a Proposed Seismic Line (NP-12) On McCracken Mesa for Whitehorse Geophysical Near Aneth, San Juan County, Utah (1987)