[Inclosure Numbers 1.] Estimate of amounts required to be appropriated for fortifications now existing or in course of constructions for the second half of the fiscal year ending on the 30th of June, 1862, and for the fiscal year ending on the 30th of June, 1863.

Designation of Amounts Amount of Total amount

the works necessary for regular required for

estimated for. expenditure estimates for fortifications

during the fortifications during the

unexpired for fiscal unexpired

portion of the year ending on portion of the

fiscal year the 30th of current fiscal

ending on the June, 1863, as year, and for

30th of June, submitted to the fiscal

1862, in Congress at year ending on

addition to the present the 30th of

appropriations session. June, 1863.

already made

for that year.

For $750,000 .............. $750,000

fortifications

on the

Northern,

Niagare,

Buffalo, and

Detroit.

For Fort 50,000 $100,000 150,000

Montgomery, at

outlet of Lake

champlain, N.

Y.

For Fort Knox, 50,000 100,000 150,000

Narrows of

Penobscot

River, Me.

For Fort on 50,000 100,000 150,000

Hog Island

Ledge,

Portland

Harbor, Me.

For Fort .............. 75,000 75,000

Warren, boston

Harbor, Mass.

For Fort 50,000 50,000 100,000

Winthrop and

exterior

batteries,

Boston Harbor.

For Fort at

New Bedford

harbor, Mass.

For fort at 50,000 100,000 150,000

New Bedofrd

Harbor, Mass.

For Fort 50,000 .............. 50,000

Adams, Newport

Harbor, R. I.

Fort Fort 25,000 .............. 25,000

Schuyler, East

River, N. Y.

Fort fort at 50,000 200,000 250,000

Willets Point,

opposite Fort

Schuyler.

For Fort 25,000 .............. 25,000

Richmond,

Staten Island,

N. Y.

For fort on 50,000 200,000 250,000

site of Fort

Tompkins,

Staten Island,

N. Y.

For 100,000 .............. 100,000

commencement

of casemated

battery on

Staten Island.

For new 100,000 .............. 100,000

battery at

Fort Hamilton,

at the

Narrows, N. Y.

For fort at .............. 300,000 300,000

Sandy Hook,

entrance to

New York

Harbor, N. Y.

For Fort 25,000 .............. 25,000

Mifflin, near

Philadelphia,

Pa.

For Fort .............. 60,000 60,000

Delaware,

delaware

River.

For new fort 200,000 .............. 200,000

opposite Fort

Delaware,on

Delaware

shore.

For Fort .............. 200,000 200,000

Carroll,

Baltimore

Harbor, Md.

For Fort .............. 200,000 200,000

Calhoun,

Hampton Roads,

Va.

For Fort 50,000 .............. 50,000

Monroe,

hampton Roads,

Va.

For Fort 100,000 200,000 300,000

Taylor, Key

West, Fla.

For Fort 100,000 200,000 300,000

Jefferson,

Garden Key,

Tortugas, Fla.

For additional 200,000 .............. 200,000

fort at the

Tortugas, Fla.

For fort at 100,000 .............. 100,000

Ship Island,

coast of

Mississippi.

For fort at .............. 200,000 200,000

Fort Point,

entrance to

San Francisco

Harbor.

For fort at .............. 150,000 150,000

Alcatraz

Island, San

Francisco

Harbor.

For 100,000 .............. 100,000

contingencies

of

fortifications

.

Total. 2,275,000 2,435,000 4,710,000

ENGINEER DEPARTMENT,

Washington, December 9, 1861.

Honorable SIMON CAMERON,

Secretary of War:

Respectfully submitted.

JOS. G. TOTTEN,

Brevet Brigadier-General and Colonel of Engineers.