Extract from the 15th annual report of the U. S. Geological survey, 1893-94.cover-title.Mode of access: Internet
"Special publication, Report on the coals of Maryland, volume V, part IV.At head of title : Maryland...
Reprinted from "Anne Arundel County," published by Maryland Geological survey. 1917.Biography.Thesis...
Extract from the 15th annual report of the U.S. Geological Survey, 1893-94.Cover-title.Mode of acces...
cover-title.Extract from the 15th annual report of the U. S. Geological survey, 1893-94.Mode of acce...
Extract from the 16th annual report of the U. S. Geological survey, 1894-95, pt. II.cover-title.Mode...
At head of title: Maryland Geological survey ... Special publication, volume VIII, part III.Mode of ...
"From the Journal of the Cincinnati society of natural history, April and July, 1894."Thesis (PH. D....
"Extract from the Guide book of Baltimore, prepared for the American institute of mining engineers, ...
Extract from the 15th annual report of the U.S. Geological survey, 1893-94.cover-titleMode of access...
"Biographical sketch": p. 177"From the American geologist, vol. XXVIII, Sept., 1901."Thesis (Ph. D.)...
"Special publication, volume IV, part I."At head of title: Maryland Geological survey.Mode of access...
Extract from U.S. Geological Survey, 13th annual report, 1891-92, pt. 2.Mode of access: Internet
Extract from the 14th annual report of the director of the U. S. Geological survey, 1892-93, pt. II....
Reprinted from Maryland geological survey [report] vo. IX, 1910.Life.Thesis (Ph. D.)--Johns Hopkins ...
"Bibliography [of the eocence deposits of Maryland]," vol. 1, p. 31-43.Title taken from letter of tr...
"Special publication, Report on the coals of Maryland, volume V, part IV.At head of title : Maryland...
Reprinted from "Anne Arundel County," published by Maryland Geological survey. 1917.Biography.Thesis...
Extract from the 15th annual report of the U.S. Geological Survey, 1893-94.Cover-title.Mode of acces...
cover-title.Extract from the 15th annual report of the U. S. Geological survey, 1893-94.Mode of acce...
Extract from the 16th annual report of the U. S. Geological survey, 1894-95, pt. II.cover-title.Mode...
At head of title: Maryland Geological survey ... Special publication, volume VIII, part III.Mode of ...
"From the Journal of the Cincinnati society of natural history, April and July, 1894."Thesis (PH. D....
"Extract from the Guide book of Baltimore, prepared for the American institute of mining engineers, ...
Extract from the 15th annual report of the U.S. Geological survey, 1893-94.cover-titleMode of access...
"Biographical sketch": p. 177"From the American geologist, vol. XXVIII, Sept., 1901."Thesis (Ph. D.)...
"Special publication, volume IV, part I."At head of title: Maryland Geological survey.Mode of access...
Extract from U.S. Geological Survey, 13th annual report, 1891-92, pt. 2.Mode of access: Internet
Extract from the 14th annual report of the director of the U. S. Geological survey, 1892-93, pt. II....
Reprinted from Maryland geological survey [report] vo. IX, 1910.Life.Thesis (Ph. D.)--Johns Hopkins ...
"Bibliography [of the eocence deposits of Maryland]," vol. 1, p. 31-43.Title taken from letter of tr...
"Special publication, Report on the coals of Maryland, volume V, part IV.At head of title : Maryland...
Reprinted from "Anne Arundel County," published by Maryland Geological survey. 1917.Biography.Thesis...
Extract from the 15th annual report of the U.S. Geological Survey, 1893-94.Cover-title.Mode of acces...