1. Complete Bouguer gravity anomaly map of the Hailey and western part of the Idaho Falls 1⁰ x 2⁰ quadrangles, Idaho [cartographic material] Yale Public content 1991. 2002-06-01T04:00:00Z. 2016-04-11T17:22:50Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Idaho and Idaho Falls Region.