MARYLAND GEOLOGICAL SURVEY 397

MARYLAND STATE WEATHER SERVICE. Climatic Charts of Mary-
land, including Delaware and the District of Columbia, together with
a Map showing the distribution of the Geological and Soil Formations.

TORBET, J. B. Map of Maryland, showing the present status of the
new U. S. Topographical Survey. 1892.

Johns Hopkins University Circulars No. 103, vol. xii, p. 44.
7 1/2x4 3/8, outline. Scale 33 1/3 miles to an inch. (J. H. U.)

U. S. GEOLOGICAL SURVEY. Topographical Sheets. Gunpowder.

First edition (last edition, 1896), 13 5/8x17 1/2, 20 feet contour. Scale 1/62500.

———— Topographical Sheets. North Point.

First edition (last edition, 1896), 13 5/8x17 1/2, 20 feet contour. Scale 1/62500.

————. Topographical Sheets. Sharps Island.

First edition (last edition, 1S96), 13 5/8x17 1/2, 20 feet coutour. Scale 1/62500.

———— Topographical Sheets. Mt. Vernon.

(Last edition, 1896), 13 5/8x17 1/2, 20 feet contour. Scale 1/12500.

WILLIAMS, G. H. (Editor). A Preliminary Geological map of
Maryland [etc].

Maryland, Its Resources, Industries, and Institutions.
30 1/2x17 7/8, drainage, 29 colors. Scale 1/5000000 or S miles to an inch.

WHITNEY, MILTON. Map showing the Area and Distribution of
the Principal Soil Formations in Maryland.

Bull. No. 21, Md. Agri. Exper. Sta., College Park, 1893.
Monthly Rept. Md. State Weather Service, vol. iii, 1893, p. 17.
5x9. Scale 30 miles to an inch.

WILLIS, BAILEY. Map of the Structural Districts of the Appalach-
ian Province.

13th Ann. Eept. U. S. Geol. Survey. Washington, 1893.

Drainage, five colors. Scale approximately 74 miles to an inch. (J. H. U.)

1894.
ANON. Supplement to the Baltimore American, June 26th, 1894.

11 1/4x25 outline, drainage. Scale 15 miles to an inch. (J. H. U.)

DARTON, N. H. Map of the Middle Atlantic region to illustrate the
extent of the Pleistocene submergence.

Jour. Geol., vol. ii, 1894, p. 583.

4 3/4x5 3/4, shaded. Scale about 50 miles to an inch.

———— Map of the Middle Atlantic Slope indicating the conditions
in the time of Post Columbia maximum uplift [etc].
Idem, p. 585.
Black and white. Scale about 50 miles to an inch.