392 BIBLIOGRAPHY AND CARTOGRAPHY

ANON. [Maryland, Delaware].

Rand, McNally & Co.'s Improved Indexed Business Atlas and Shippers'
Guide No. 173. Chicago, 1888. 17th edition.

19x12 3/4, same base as 1882, but uncolored. (Peabody.)

This map has been published several times in different editions.

McGEE, W J Drainage map of the Middle Atlantic Slope.
Seventh Ann. Rept. U. S. Geol. Surv., 1888, facing p. 548.
6 3/8x9 1/2, outline and drainage. Scale 1/2230000, or 35 miles to an inch. Shows fall
line and divide. (J. H. II.)

———— Map of the Head of Chesapeake Bay. Showing the Dis-
tribution [and coarseness] of the Columbia Formation.
Seventh Ann. Rept. U. S. Geol. Surv., 1888, facing p. 552.
6 5/8x7 5/8, colored. Scale 1:320000, or 5 miles to an inch. (J. H. U.)

———— Stereogram of the Middle Atlantis Slope.

Seventh Ann. Rept. U. S. Geol. Surv., 1888, after p. 586.

9 1/2x9 1/2, colored, shaded, sections. Horizontal scale 1:2230000, or 35 miles to an
inch; vertical scale 1:425000, or 35000 ft. to an inch. Shows form of the continental
platform. (J. H. U.)

RIPPEY, Jos. Index Map of Baltimore. New York 1888.

Scale 500 feet to an inch. (Williams.)

UHLER, P. R. [The Distribution of the Albirupean Formation in
Maryland.]

Proc. Amer. Phil. Soc., vol. xxv, 1888, p. 51.

4x4, outline, geological shading. Scale about 20 miles to an inch.

1889.
U. S. COAST AND GEODETIC SURVEY. Annapolis Harbor. No. 385.

Last edition (first edition, 1859).

30x32 (class L). Scale 1/10000, or 6.34 inches to a mile.

1890.

BARTHOLOMEW, J. New York, New Jersey, Pennsylvania, Mary-
land and Delaware with environs of New York and Philadelphia.

The Library Eeference Atlas of the World, by John Bartholomew. Lon-
don, Macmillan, 1890.

11 3/8x16, outline, drainage, hachured, states colored. Scale 33 miles to an inch.
(Peabody.)

CHESTER, F. D. Map of Gabbro Area in Delaware, by F. D.
Chester.

Bull. U. S. Geol. Survey, No. 59, Washington, 1890, p. 7.
Includes northeast corner of Maryland as far east as Elkton.