The serpentines of Harford County, Maryland ...
By: by Albert Johannsen
Publisher: The Johns Hopkins Press
Published: 1928
Place of publication: Baltimore
Language: eng
Number of pages: 287
Subjects: Serpentine; Petrology
Notes: Vita.

Published also in the Report of the Maryland Geological survey, 1896, v. 12, pt. III, 1928.

Thesis (Ph. D.)--Johns Hopkins University, 1903.

Includes bibliographical references.