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Are you C. A Armstrong, author of the books below?
Geology and ground-water resources of the Palomas Plain - Den... by C. A Armstrong Ground water basic data of Burke and Montrail Counties, by C. A Armstrong History of the Methodist Church in North Dakota by C. A Armstrong Ground-water basic data for Ransom and Sargent Counties, Nort... by C. A Armstrong Ground-water resources of Ransom and Sargent counties, North ... by C. A Armstrong Ground-water resources of Emmons County, North Dakota by C. A Armstrong Geology and ground water resources, Divide County, North Dakota by C. A Armstrong Ground-water resources of Dickey and La Moure counties, North... by C. A Armstrong Ground-water resources at Fort Union Trading Post National Hi... by C. A Armstrong


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