GIS Data for Geologic Maps of Ravalli Group and Other Mesoproterozoic Belt Supergroup Strata Based on Mapping by ASARCO in Northern Idaho and Northwestern Montana
The data release for geologic maps of Ravalli Group and other Mesoproterozoic Belt Supergroup strata in northern Idaho and northwestern Montana is a digital, Geologic Map Schema (GeMS)-compliant version of maps published in U.S. Geological Survey (USGS) Open-File Report 2001-438 (Boleneus and others, 2001). The new …