"North Dakota. Department of Public Instruction." . . "North Dakota Geological Survey." . . "North Dakota Geological Survey," . . . . . . . . . . . . . "Guide to the geology of north-central North Dakota : including Benson, Bottineau, Eddy, Foster, McHenry, Pierce, Ramsey, Rolette, Sheridan, Towner, and Wells counties"@en . . . . . "Guide to the geology of north-central North Dakota : including Benson, Bottineau, Eddy, Foster, McHenry, Pierce, Ramsey, Rolette, Sheridan, Towner, and Wells Counties"@en . . . . "Guide to the geology of North-Central North Dakota : including Benson, Bottineau, Eddy, Foster, McHenry, Pierce, Ramsey, Rolette, Sheridan, Towner, and Wells counties"@en . . "Guide to the geology of north-central North Dakota : Benson, Bottineau, Eddy, Foster, McHenry, Pierce, Ramsey, Rolette, Sheridan, Towner, and Wells counties : an earth science guide for North Dakota school students"@en . "Guide to the geology of north-central North Dakota : Benson, Bottineau, Eddy, Foster, McHenry, Pierce, Ramsey, Rolette, Sheridan, Towner, and Wells Counties"@en . . . . "Guide to the geology of north-central North Dakota : Benson, Bottineau, Eddy, Foster, McHenry, Pierce, Ramsey, Rolette, Sheridan, Towner, and Wells counties"@en . . "Guide to the geology of north-central North Dakota : Benson, Bottineau, Eddy, Foster, McHenry, Pierce, Ramsey, Rolette, Sheridan, Towner, and Wells counties, by John P. Bluemle"@en . . . . "Guide to the geology of north-central North Dakota : including Benson, Bottineau, Eddy, Foster, McHenry, Pierce, Ramsey, Rolette, Sheridan, Towner & Wells counties"@en . "Guide to the geology of north-central North Dakota : Benson, Bottineau, Eddy, Foster, McHenry, Pierce, Rolette, Sheridan, Towner, and Wells Counties" . "Guide to the geology of north-central North Dakota Benson, Bottineau, Eddy, Foster, McHenry, Pierce, Ramsey, Rolette, Sheridan, Towner, and Wells counties, by John P. Bluemle"@en . "Guide to the geology of north-central North Dakota including Benson, Bottineau, Eddy, Foster, McHenry, Pierce, Ramsey, Rolette, Sheridan, Towner, and Wells counties"@en . . . . . . . . . . "Guidebooks"@en . . .