266 BIBLIOGRAPHY AND CARTOGRAPHY

WHITNEY, J. D. The Metallic Wealth of the United States. 8vo.
510 pp., illustrated. Lippincott. Phila. 1854.

Refers to Maryland gold (p. 124), copper (pp. 17-19), and iron (p. 472).

1855.

ANON. Second Annual Report of the President and Directors of
the Metropolitan Railroad Company, to which are appended the
Charter, By-Laws, etc. 8vo. 64 pp. 1855.

Map of the located route of the Metropolitan Railroad Company and the adjacent
country, comprising District of Columbia and the counties of Montgomery, Frederick
and Washington in the state of Maryland.

DIEFFENBACH, OTTO. Das Vorkommen von Chrom-Erzen und ihre
Verarbeitung in den Vereinigten Staaten von Nord Amerika.

N. J. B., vol. ii, 1855, pp. 533-539.

Describes the occurrence of the ore, the mode of working, and an analysis from Bare
Hills, Maryland.

HALDEMAN, S. S. See Taylor, 1848.

MARCOU, J. Resume explicatif d'un carte geologique des Etats-
Unis et des provinces anglaises de l'Amerique.

Bull. Soc. Geol. Fr., 2 ser., tome xii, 1855, pp. 813-936; colored geolog-
ical map.

Explanation of map Itself, so far as related to Maryland, apparently based on
Maclure.

———— Ueber die Geologie der Vereinigten Staaten und der eng-
lischen Provinse von Nord Amerika.
Petermann's Mitth., 1855, pp. 149-159.
Allows no Cretaceous on the Western Shore.

———— On the Geology of the United States and British Prov-
inces of North America.

Geology of North America, pp. 58-70. Translation of paper in Peter-
mann's Mitth., vol. i, pp. 149-159.

TAYLOR, R. C.

See 1848.

1856.

ANON. The Charter and By-Laws of the Maryland Anthracite Coal
Company of the Wyoming Coal Region, with Reports on the Geology
and Mining Resources of their Coal Lands. Baltimore: John W.
Woods, 1856. 8vo. 46 (1) pp. 2 maps.