Mapping the mineral resource base for mineral carbon-dioxide sequestration in the conterminous United States By S.C. Krevor, C.R. Graves, B.S. Van Gosen, and A.E. McCafferty Prepared in cooperation with the Earth Institute at Columbia University This database, identified as DS414, has been approved for release and publication by the Director of the USGS. Although this database has been subjected to rigorous review and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. Furthermore, it is released on condition that neither the USGS nor the United States Government may be held liable for any damages resulting from its authorized or unauthorized use. The database can be downloaded via the Web from http://pubs.usgs.gov/ds/414/. An ArcGIS shapefile may be extracted from a zip-compressed file (DS414.zip). In addition, Adobe Portable Document Format (PDF) files can be downloaded, from which paper copies may be printed. This geospatial database consists of an ArcGIS shapefile contained in a zip archive. See the list below. Please refer to the file DS414.met for detailed metadata documentation for this geospatial database. List of files: DS414_map.pdf DS414_text_508.pdf DS414.met DS414.zip: 00README.TXT DS414.met US_ultra.shp--polygons corresponding to magnesium-rich ultramafic rocks. US_ultra.shx US_ultra.dbf US_ultra.prj US_ultra.sbn US_ultra.sbx