MARYLAND GEOLOGICAL SURVEY

JOHNSTON, A. KEITH. United States of North America (Eastern
States) by A. Keith Johnston.

The Royal Atlas of Modern Geography, by Alexander Keith Johnston.
Edinburgh, 1857.

17 3/8x22 1/2, outline, drainage, mountains hachured, tinted. Scale 75 miles to an inch.

OWEN, RICHARD. 1. Map of Geological Formations and of the
Forces Supposed to have Acted in Bringing these Strata to Their
Present Position on the Surface of the Globe.

2. Map of North America exhibiting the localities most abounding
in Coal, Metals etc. also the Parallelism of Structure in the Two
Continents.

Key to the Geology of the Globe. 8°, pp. 256. Boston, 1857.

These maps represent Maryland with only Tertiary and Cretaceous and noted for
copper. (I'eabody.)

TAYLOR, ROBERT. Map of the City and County of Baltimore,
Maryland, from actual surveys by Robert Taylor. Lith. Hinckel &
Son, Baltimore, 1857.

50x60, roads, drainage. Wall map 1 1/2 inches to a mile. (Peabody.)

1858.
BOND, ISAAC. Map of Frederick County.

34x44, wall map. Scale 1 mile to an inch. (.Martenet.)

MACLURE, WM. Carte de Etats-Unis de l'Amerique du Nord, pour
servir aux observations geologiques.

Geology of North America, by Jules Marcou. 4°. Zurich. ]858.
" Copy, on somewhat smaller scale, of the Paris edition of 1811." (J. H. U.)

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

Geology of North America (etc.), 4°, Zurich, 1858.

Reduced copies published in Geologie und Physikalische Karten. Artaria
& Co., Vienna, 1872.

La Vie souterraine, ou les mines et les mineurs, par Louis Sernonian.
4°, Carte x, p. 112. Paris, 1867. (J. H. U.)

MARTENET, SIMON. Map of Cecil County.

41x41, outline, road, wall map. Scale 1 1/2 inches to a mile.

1859.

LUCAS, FIELDING, JR. A Chart of the Chesapeake and Delaware
Bays compiled and published by Fielding Lucas, Jr. Baltimore.
Corrected 1859. (Copyrighted 1832).

40x28 1/2, outline of coast. Scale about 6 miles to an inch. (Amer. Geog. Soc.)