1. Maps showing the distribution of antimony, arsenic, barium, beryllium, bismuth, cadmium, copper, lead, molybdenum, silver, tin, tungsten, and zinc in heavy-mineral-concentrate samples, Delta 1⁰ x 2⁰ quadrangle, Utah Yale Public content 1993. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Utah and Delta Region.