New Frontier Exploration, Englewood, Co No description specified. 1-2 (2 Records) Documents Archaeological Survey of New Frontier Exploration, Inc.'s Seismograph Lines U78-2 Thru U78-5, San Juan County, Utah, Lac Report 8753 (1988) Archaeological Survey of Two Seismograph Line Extensions for New Frontier Exploration, San Juan County, Utah (1987)