Meyer, G.N.Jirsa, M.A.2012-05-092012-05-091982https://hdl.handle.net/11299/123328Superseded by a 1999 report and maps of a similar nature and published by the MGS as M-102 and by an Information Circular IC-46 published by MGS in the year 2000.Report and maps prepared for the Twin Cities Metropolitan Council detailing aggregate resources in the seven-county metropolitan area.enaggregategeologytwin citiesMinnesotaresourcesReport