Strategic mineral investigations

"Opera completa in cinque volumi. Volume n 948 a/b/c/d/e. Titoli: ""Tungsten deposits of Vance County, North Carolina and Mecklenburg County Virginia"", ""Chromite deposits near seiad and McGuffy Creeks Siskiyou County California"", ""Chromite deposits of boulder river area, Sweetgrass County, Montana"", ""Preliminary report on the bedded manganese of the lake Mead Region Nevada and Arizona"", ""Preliminary report on corundum deposits in the Buck Creek peridotite Clay County North Carolina"". Autori, tra gli altri, G.H. Espenshade, Francis G. Wells, A.L. Howland, V.E. McKelvey. La cerniera è ben salda.Tavole in allegato. Numerazione pagine 1-17,18-62,63-82,83-101,102-128. Totale pagine 128"