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Maryland Geological Survey, Volume 1, 1897
Volume 423, Page 65   View pdf image (33K)
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[The preceding page is an image: The Potomac River Valley at Williamsport, on the Western Maryland Railroad]


Valuable contributions by Conrad1 appeared during 1834 and 1835
in which the character and position of the Eocene deposits are

The publication of Dr. Morton's " Synopsis of the organic remains
of the Cretaceous group of the United States, " in which was added an
appendix regarding the Tertiary fossils of North America, occurred
in 1834. Numerous Maryland forms are referred to.

An interesting section was presented by R. C. Taylor in the Trans-
actions of the Geological Society of Pennsylvania in 1835, 2 in which
the relations of some of the rocks of central Maryland in the vicinity
of Harper's Ferry are described.

Much interest was manifested in the investigations of the Georges
Creek basin during this period, the first company having been formed
in 1836 to develop the coal and iron properties. In addition to the
work of the State Geologist, before described, a pamphlet was pre-
pared by James C. Booth3 upon the coal lands of a portion of the
Georges Creek basin, and in the two succeeding years further contri-
butions were made by Philip T. Tyson 4 and D. V. Douglas. 5 Tyson °
also prepared at this time " A descriptive Catalogue of the principal
minerals of the State of Maryland. "

During the latter years of the existence of the State Survey, Dr.
Conrad made further contributions to the Tertiary geology and
paleontology of Maryland, describing numerous fossils from the Cal-
vert Cliffs. Correlations were also made of the Eocene deposits of
Upper Marlboro, Fort Washington and other localities.

After the organization of the Maryland Geological Survey the
neighboring states of Virginia, Pennsylvania and Delaware followed
the same course, the survey of Virginia being organized in 1835 under

1 Jour. Acad. Nat. Sci., Phila., vol. vii, 1834, pp. 116-157; Trans. Penn.
Geol. Soc., vol. i, 1835, pp. 335-341, pl. xiii; Amer. Jour. Sci., vol xxviii, 1835,
pp. 104-111, 280-282.

2 Vol. i, pp. 314-325 (with colored sections).

3 Report of the Examination and survey of the Coal lands, etc., belonging
to the Boston Purchase, near Cumberland, in the State of Maryland. New
York, 1836. 18 pp.

4 Trans. Md. Acad. Sci. and Lit., vol. i, 1837, pp. 92-98. Plate.

5 Report on the Coal and Iron Formation of Frostburg, etc., 1838.

6 Trans. Md. Acad. Sci. and Lit,, vol. i, 1837, pp. 102-117.


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Maryland Geological Survey, Volume 1, 1897
Volume 423, Page 65   View pdf image (33K)
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