370 BIBLIOGRAPHY AND CARTOGRAPHY

About 1850.

Map of the Cumberland Coal Region in Allegany County, Mary-
land showing the lands of the Cumberland Coal and Iron Co. etc.
New York. Ackerman lith.

Report upon surveys for the extension of the B. & O. R. R.. (Harper's
Ferry to Ohio).

24 1/2x15 3/8, hachure. Scale one inch to the mile. (After Alexander?) (Peabody,
Patent.)

1851.

POPPLETON, I. H. Plan of Baltimore by I. H. Poppleton corrected
to date (Hoen Lith.) 1851.
See 1818. (Williams.)

SIDNEY, J. C., and BROWN, J. P. Map of City and County of Bal-
timore from original surveys by J. C. Sidney and J. P. Brown.

Scale 1 mile to an inch. (Williams.)

SIMMONS. Poppleton's Map of Baltimore City corrected to 1851.

44x57, wall map. Scale 500 feet to an inch.

1852.

ANON. Map of Baltimore City and part of Baltimore county, in-
cluding the Valley of the Great Gunpowder River, from Warren
Factory to tide, from surveys made in accordance with the Resolutions
of Mayor and City Council of Baltimore, May 11, 1852. Lith. by
Hoen.

42 1/2X19 1/4, hachured. Horizontal scale 200 feet to an inch; vertical 250 feet to an
inch. (Peabody.)

LUCAS, FIELDING, JR. Map of Maryland, constructed from the best
authorities by Fielding Lucas, Jr. 1852.

Scale nearly 6 miles to an inch. (Williams.)

1853.

SLADE, JAMES. Plan of Baltimore and Vicinity, showing proposed
routes for bringing water from Jones', Gwynn's Falls, and Patapsco
River, directed by Jas. Slade, 1853.

42 1/2x27, roughly hachured. Scale 2 5/8 inch to a mile. (Peabody.)

BUCK, LEOPOLD VON. Geognostische Karte von Nord America.
Ueber die Jura formation auf der Erdflache Monatsber. d. k. Akad. Wiss.
Berlin, 1853. (Marcou.)