MARYLAND GEOLOGICAL SURVEY 371

HITCHCOCK, E. A geological map of the United States and
Canada 1853.

Published separately.

24x16 1/4, fifteen colors. Scale 113 miles to an inch. See 1854 and 1856. (Peabody.)

MARCOU, JULES. Geological Map of the United States and the
British Provinces of North America.

A geological map ..... with explanatory text (etc.). Boston, 1853.

1854.

HITCHCOCK, E. A geological map of the United States and Canada
1853.

Outlines of the Geology of the globe, etc. Boston, 1854.

24x16 1/4, fifteen colors. 113 miles to an inch. No Cretaceous and little Eocene in
Maryland. Base very poor for Maryland. (Peabody, Phila. Acad.)

SIDES, WM. Plan of Curtis Creek wharf and Railroad Company's
improvements 1854.

22x28 outline figures. Scale 1/30000. (Peabody.)

TAYLOR, R. C., and HALDEMAN, S. S. Map illustrative of the Sta-
tistics of the Coal Trade of Pennsylvania (etc).

Statistics of Coal, 2nd edit. Phila,, 1854.

14 3/4x10 1/8, boundaries colored. Coal area outlined. Scale 19 miles to an inch. See
1848. (Peabody.)

1855.

LOGAN, W. E. Carte geologique du Canada. Scale: lieues de 25
an degre dont une = 4445m.

Esquisse geologique du Canada pour servir l'intelligence de la carte
geologique envoya a l'Exposition universelle de Paris en 1855, par W. E.
Logan et T. Sterry Hunt in 12°, Paris, 1855.

Bull. Geol. Soc., France, 2 serie, tome xii, Paris, 1855, p. 1316. (Marcou.)

LYELL, CHAS. Geological map of the United States, Canada etc.
London 1855. See Lyell 1845.

MARCOU, JULES. Carte geologique des Etats Unis et des provinces
anglaise de l'Amerique du Nord.

Bull. Soc. Geol. France, tome xii, 1855, p. 813.

Ann. des Mines, 5 serie, tome vii, 1855, p. 320, pl. ix. (Marcou.)

———— Carte du terrain Carbonifere dans un partie de l'Amerique
du Nord.

La Bibliotheque universelle de Geneve, Juin, 1855.
Black etching. (Marcou.)