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The petroleum fields of the Pacific Coast of Alaska : with an account of the Bering River coal deposits /

By Martin, George Curtis,.
Washington : Govt. Print. Off., 1905 .
64 p. : , NOT FOR CIRCULATION. | Subject series: A, Economic geology, 43; B, Descriptive geology, 54. 24 cm..

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A reconnaissance of the Matanuska coal field, Alaska, in 1905,

By Martin, George Curtis,.
Washington, Govt. Print. Off., 1906 .
36, xi p. , Subject series: A, Economic geology, 78; B, Descriptive geology, 97. | One map in pocket. | Issued also as House doc., no. 837, 59th Cong., 1st sess. | "An abstract of this report has already been published under the title, Preliminary statement on the Matanuska coal field: Bull. U.S. Geol. survey no. 284, 1906." 24 cm..

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Geology and mineral resources of the Controller bay region, Alaska,

By Martin, George Curtis,.
Washington, Govt. Print. Off., 1908 .
141, v p. , Isued also as House doc. no. 730, 60th Cong., 1st sess. 24 cm..

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