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Slate deposits and slate industry of the United States /

By Dale, T. Nelson.
Washington, Govt. Print. Off., 1906 .
154, iii p. : , Subject series : A, Economic geology, 63. | Issued also as House doc. no. 469, 59th Cong., 1st sess. | "Bibliography of slate" : p. 138-145. | Includes index. 24 cm..

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Slate in the United States,

By Dale, T. Nelson.
Washington, Govt. print. off., 1914 .
220 p. , Many plates printed on both sides of leaves. | "The present bulletin is not only a corrected and revised ed. of bulletin 275, but contains also the results of ... recent discoveries and studies." 24 cm..

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Report on the slate deposits of Georgia,

By Shearer, H. K..
Atlanta, Ga., Byrd printing company, state printers, 1918 .
x, 192 p., 26 cm..

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Slate in Northampton County, Pennsylvania,

By Behre, Chas. H..
Harrisburg, Pa., Dept. of Forests and Waters, Topographic and Geologic Survey, 1927 .
xii, 308 p. incl. illus., tables, diagrs. , At head of title: Pennsylvania Geological Survey, fourth series. | Two folded plates and folded maps in pocket. 24 cm..

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Lists of collections of the National Library of Wales,

By National Library of Wales..
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2

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