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The gabbros and associated intrusive rocks of Harford County, Maryland ...Insley, Herbert, January 1928 (has links)
Thesis (Ph. D.)--Johns Hopkins University, 1919. / Vita. Published also in the Report of the Maryland Geological survey, 1896, v. 12, pt. IV, 1928.
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The gabbros and associated intrusive rocks of Harford County, Maryland ...Insley, Herbert, January 1928 (has links)
Thesis (Ph. D.)--Johns Hopkins University, 1919. / Vita. Published also in the Report of the Maryland Geological survey, 1896, v. 12, pt. IV, 1928.
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Petrogeny of the granophyre and intermediate rock in the Duluth gabbro of northern Cook County, MinnesotaBabcock, Russell Clayton. January 1959 (has links)
Thesis (M.S.)--University of Wisconsin. / eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 45-47).
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