Surficial geologic map of the Durham quadrangle, Middlesex and New Haven Counties, Connecticut /Author: Simpson, Howard E.
Publisher: Washington, D.C. : U.S. Geological Survey,
Date: 1968. This title can be found in 1 Iowa libraries.
Bedrock geologic map of the New Britain quadrangle, Connecticut /Author: Simpson, Howard E.
Publisher: Washington, D.C. : U.S. Geological Survey,
Date: 1966. This title can be found in 1 Iowa libraries.
Geologic map of the Bristol quadrangle, Connecticut : surficial geology /Author: Simpson, Howard E.
Publisher: Washington, D.C. : Department of the Interior, United States Geological Survey,
Date: 1961. This title can be found in 1 Iowa libraries.
Geologic map of the New Britain quadrangle, Connecticut : surficial geology /Author: Simpson, Howard E.
Publisher: Reston, Va. : Department of the Interior, United States Geological Survey,
Date: 1959. This title can be found in 1 Iowa libraries.
Geology and natural resources of North Dakota. Issued by the Division of Mines and Mining Experiments in the College of Engineering, in cooperation with the North Dakota State Geological Survey.Author: Gauger, Alfred William,
Publisher: Grand Forks, University of North Dakota,
Date: 1930. This title can be found in 1 Iowa libraries.
Geology and ground-water resources of North Dakota,Author: Simpson, Howard E.
Publisher: Washington, U.S. Govt. Print. Off.,
Date: 1929. This title can be found in 1 Iowa libraries.
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