00925cam a22002651 4500 gs 19000326 DLC 20260227111323.0 791025s1919 dcuaf b f000 0 eng gs 19000326 (OCoLC)5589181 DLC ICIU ICIU ISS DLC QE75 .P9 no. 43 QR84 .H25 I 19.16:113 Harder, Edmund, 1882- Iron-depositing bacteria and their geologic relations, by Edmund Cecil Harder. Washington, Gov't print. off., 1919. 89 p. illus., 12 plates on 6 leaves 29 cm. U. S. Geological survey. Professional paper 113 At head of title: Delpartment of the interior. The athor's doctoral dissertation, University of Wisconsin, 1915, but not published as a thesis. Bibliography: p. 84-85. Bacteria. 25947 25947