San Antonio Arsenal, San Antonio, Texas.

Vancouver Arsenal, Vancouver, Washington Ty.

1 watchman, Franklin Square......................... 660 Lafayette

66

66

660

Washington Arsenal, Washington, D.C. 1
Watertown Arsenal, Watertown, N. Y. 3 watchmen, Smithsonian grounds, each 660
Watervliet Arsenal, West Troy, N. Y.I watchman, Judiciary Square.........

ORDNANCE DEPARTMENT AT LARGE.

There are employed at the several ordnance stations by the commanding officers thereof a large number of civilian employés, aggregating about 500 persons, including armorers, clerks, draughtsmen, machinists, foremen, mechanics, engineers, firemen, watchmen, storekeepers, laborers, teamsters, etc., who receive the usual yearly pay of their several classes.

CHIEF OF ENGINEERS OF THE ARMY.

.-ENGINEER CORPS.

1

66

......

Lincoln
1 bridge-keeper, Chain Bridge............

660 660 660

The Chief of Engineers has immediate superintendence of the Washington Aqueduct, and of all other public works and improvements in the District of Columbia, in which the Government has an interest, not otherwise specially provided for by law. He must obey, in the discharge of these duties, such regulations as may be prescribed by the President through the War Department. He must keep in his office a complete record of all the lands and other property connected with or belonging to the Washington Aqueduct and other public works under his charge, together with accurate plans and surveys in the District of Columbia. of the public grounds and reservations

POWERS, DUTIES, AND BUSINESS. The Chief of Engineers of the army has power to regulate and determine the It is the duty of the Chief of Engineers, number, quality, form, and dimensions as Superintendent of Public Buildings of the necessary vehicles, pontoons, tools, and Grounds and as Superintendent of implements, arms, and other supplies for the Washington Aqueduct, to submit anthe use of the battalion of engineer sol-nually the following reports to the Secdiers. He commands the Corps of Engi-retary of War:

neers, which is charged with all duties First. A report of his operations for relating to fortifications; with torpedoes the preceding year, with an account of for coast defence; with all works, offensive and defensive; with all military bridges, and with such surveys as may be required for these objects, or the

movements of armies in the field. It is

also charged with river and harbor improvements; with military and geographical explorations and surveys; with the survey of the lakes; and with such other engineer work as may be assigned to it by acts of Congress, or by orders of the President of the United States.

The Chief of Engineers has charge of the public buildings and grounds in the District of Columbia, under such regulations as may be prescribed by the President through the War Department, except those which are otherwise provided for by law.

Another officer of Engineers is designated by the President as Commissioner of Public Buildings and Grounds.

The following force is employed in the office of and about the Public Buildings and Grounds at Washington, D. C. :

1 clerk..........

1 messenger...........

the manner in which all appropriations for public buildings and grounds have been applied, including a statement of the number of public lots sold or remainthe public buildings and grounds, and of ing unsold each year, of the condition of the measures necessary to be taken for the care and preservation of all public property under his charge.

Second. A report of the condition, progress, repairs, casualties, and expenditures of the Washington Aqueduct and other public works under his charge.

.Army Pay.

66

66

Per Annum.

..$2000

1800

1600

Per Annum. Seneca parapets and coping. The cost
.$1400 of construction was $237,000.

And not exceeding 30 enlisted men for clerical service.........

WAR DEPARTMENT BUILDINGS.

1200

1000

720

660

5 watchmen, Paymaster-General's, each... 2 laborers,

66

66

4 watchmen, building Seventeenth and F Streets, each..

2 laborers, building Seventeenth and F Streets, each..

8 charwomen, new building, each...........

720

This great work of art was completed in 1858. It is unequalled in the history of bridge-building, and is the largest stone arch in the world, the second being that of Grosvenor Bridge, with a span of 200 feet, which crosses the river Dee in Scot- at Cheater land. One mile above is Mountain-Spring Brook, crossed by an elliptical arch of masonry, 75 feet span. The bridge is 200 feet long, and cost $76,000. The aqueduct above this point to the river consists of two tunnels.

MISSISSIPPI RIVER COMMISSION. This Commission was established by 660 act of Congress, June 28, 1879, for the improvement of navigation.

720

660

720

660
180

the army and the Coast and Geodetic
Survey receive only the pay of their
respective positions in said services, and
the other three receive $3000 per annum
each. Their tenure of office depends
upon the pleasure of the President.

It consists of seven members, three of whom must be selected from the Engineer Corps of the army, one from the Coast and Geodetic Survey, and three from civil life, two of whom must be civil engineers. It is the duty of the PresiTHE WASHINGTON AQUEDUCT. dent of the United States to designate one of the Commissioners selected from In charge of the War Department. the Engineer Corps to be President of The distributing reservoir is situated the Commission. The Commissioners two miles from Georgetown. The water-appointed from the Engineer Corps of surface of the reservoir is 33 acres capacity, 150,000,000 gallons at depth of 11 feet. From this point the water is carried by iron mains into the city. The aqueduct terminates here, and it consists of a cylindrical conduit, of 9 feet internal diameter, constructed of stone and brick. It is laid in hydraulic cement, is covered by an embankment or tunnelled through the hills, is carried across the streams by means of bridges, and has a fall of 92 inches to the mile. The capacity of the conduit, full, is 80,000,000 gallons every 24 hours. The present mains carry 30,000,000 gallons. The receiving reservoir is a natural basin, formed by an embankment 65 feet high, across Powder Mill Creek. It has a surface area of 52 acres, greatest depth 53 feet, and its capacity is 163,000,000 gallons.

CABIN-JOHN BRIDGE.

off

This structure spans the chasm of Cabin-John Creek, to facilitate the passage of the aqueduct, at a height of 101 feet. The bridge is 20 feet wide and 420 feet long, and is a single arch of 220 feet, with 573 feet rise from the springing line, built of large blocks of granite, with

DUTIES OF THE COMMISSIONERS.

direct and complete such surveys of the
It is the duty of the Commissioners to
Mississippi River, between the Head of
the Passes, near its mouth, to its head-
waters, as were in progress at the date of
the establishment of the Commission,
and to make such additional surveys,
examinations, and investigations, topo-
graphical, hydrographical, and hydro-
metrical, of said river and its tributaries
as may be deemed by them necessary to
carry out the objects of the survey; to
take into consideration and mature such
plans and estimates as will correct, per-
manently locate, and deepen the channel,
and protect the banks of the Mississippi
River; improve, and give safety and ease
to the navigation thereof; prevent de-
structive floods; promote and facilitate
commerce, trade, and the postal service;
and when so prepared and matured, to
submit a full and detailed report to the

Secretary of War of their proceedings and actions, and of such plans, with estimates of the cost thereof, to be by him transmitted to Congress.

They must also report in full upon the practicability, feasibility, and probable cost of the various plans known as the jetty system, the levee system, and the outlet system, as well as upon such others as they deem necessary.

At the request of the Commission the Secretary of War is directed to detail from the Engineer Corps of the army, and the Secretary of the Treasury from the Coast and Geodetic Survey, such officers and men as may be necessary, and to place in their charge and for their use such vessels, machinery, and instruments, under their control respectively, as may be necessary.

The Secretary of War may detail an officer of engineers to act as Secretary of the Commission.

THE UNITED STATES ARMY,

The Army of the United States con-
sists of the following:
One general.

One lieutenant-general.
Three major-generals.
Six brigadier-generals.
Five regiments of artillery.
Ten regiments of cavalry.
Twenty-five regiments of infantry.
An Adjutant-General's Department.
An Inspector-General's Department.
A Quartermaster's Department.
A corps of engineers.

A battalion of engineer soldiers.
An Ordnance Department.

the United States Military Academy at West Point.

The offices of general and lieutenantgeneral expire with the present incumbents.

Each regiment of artillery consists of twelve batteries, one colonel, one lieutenant-colonel, one major for every four batteries, one adjutant, one quartermaster and commissary, one sergeant-major, one quartermaster sergeant, one chief musician, who shall be instructor of music, and two principal musicians.

Each battery of artillery consists of one captain, one first lieutenant, one second lieutenant, one first sergeant, one quartermaster sergeant, four sergeants, four corporals, two musicians, two artificers, one wagoner, and as many privates, not exceeding one hundred and twentytwo, as the President may direct. the President may add one first lieutenant, one second lieutenant, two sergeants, and four corporals.

And

One battery in each regiment is equipped as light artillery, and the President may so equip one other battery.

Each regiment of cavalry consists of twelve troops, one colonel, one lieutenantcolonel, three majors, one surgeon, one assistant surgeon, one adjutant, one quartermaster, one veterinary surgeon, one sergeant-major, one quartermaster sergeant, one saddler sergeant, one chief musician, and one trumpeter.

Each troop of cavalry consists of one captain, one first lieutenant, one second lieutenant, one first sergeant, one quartermaster sergeant, five sergeants, four corporals, two trumpeters, two farriers, one saddler, one wagoner, and such number of privates, not exceeding seventy

The enlisted men of the Ordnance De- eight, as the President may direct. partment.

The Medical Department.

The hospital stewards of the Medical Department.

A Pay Department.

A chief signal officer.

A Bureau of Military Justice.
Eight judge advocates.
Thirty post chaplains.
Four regimental chaplains.
An ordnance sergeant and a hospital
steward for each military post.

One band stationed at the Military
Academy.

A force of Indian scouts, not exceeding 1000.

The officers of the army on the retired

list.
The professors and corps of cadets at

The enlisted men of two regiments of calvary are colored men.

Each regiment of infantry consists of ten companies, one colonel, one lieutenant-colonel, one major, one adjutant, one quartermaster, one sergeant-major, one quartermaster sergeant, one chief. and two principal musicians.

Each company of infantry consists of one captain, one first lieutenant, one second lieutenant, one first sergeant, one quartermaster sergeant, four sergeants, four corporals, two artificers, two musicians, one wagoner, and fifty privates, and the President may increase the number of privates to one hundred in emergencies.

The enlisted men of two regiments of infantry are colored men.

Four women to each company are

RETIREMENT.

eral; one Assistant Surgeon-General,
with the rank of colonel of cavalry; one allowed as laundresses.
Chief Purveyor, and four Assistant Pur-
veyors with the rank of lieutenant-col-
onel; sixty Surgeons, with the rank of
major; one hundred and fifty Assistant
Surgeons, with the rank of first lieu-
tenant for the first three years of service,
and thereafter with the rank of captain;
and five Medical Storekeepers, with the
rank of captain of cavalry.

PAY DEPARTMENT.

This department consists of one Paymaster-General, with the rank of colonel; two Assistant Paymasters-General, with the rank of colonel of cavalry; two Deputy Paymasters-General, with the rank of lieutenant-colonel; and fifty Paymasters, with the rank of major.

The army is paid once in two months.

SIGNAL SERVICE.

The head of this service is the Chief Signal Officer, with the rank of colonel of cavalry.

BUREAU OF MILITARY JUSTICE.

An officer who has served thirty years may on his own application, in the discretion of the President, be placed on the retired list. One who has served fortyfive years, or is sixty-two years old, may be retired from active service in the discretion of the President.

The army is governed by what are called Articles of War, one hundred and twenty-eight in number, prescribed by act of Congress. They are read to every enlisted man at the time of his enlistment, and must be read to every regiment once in six months. Every officer must subscribe to these rules and articles before entering on duty.

MILITARY ACADEMY AT WEST POINT,
NEW YORK.

One Superintendent; one Commandant of Cadets; one Senior Instructor in the Tactics each of Artillery, of Cavalry, and of Infantry; one Professor and one Assistant Professor of Civil and Military Engineering; one Professor and one AsThis consists of one Judge-Advocate-sistant Professor of Natural and ExperiGeneral, with the rank of brigadier-gen- mental Philosophy; one Professor and eral; one Assistant Judge-Advocate-Gen- one Assistant Professor of Mathematics; eral, with the rank of colonel of cavalry; and eight Judge-Advocates, with the rank of major.

The Chiefs of the several Departments and Corps aforementioned exercise their powers subject to the supervision and direction of the Secretary of War.

GENERAL PROVISIONS.

No person who has served in any capacity in the military, naval, or civil service of the so-called Confederate States, or of either of the States in insurrection during the Rebellion of 1861, can be appointed to any position in the Army of the United States.

All officers who served during the Rebellion as volunteers in the Army of the United States, honorably mustered out of the service, are entitled to bear the official title, and upon occasions of ceremony to wear the uniform of the highest grade they held, by brevet or other commissions, in the volunteer service.

The use by officers of private soldiers as servants is prohibited by law.

one Chaplain, who is also a Professor of
History, Geography, and Ethics, and one
Assistant Professor of the same; one
Professor and one Assistant Professor of
Chemistry, Mineralogy, and Geology; one
Professor and one Assistant Professor of
Drawing; one Professor and one Assist-
ant Professor each of the French and
Spanish Languages; one Adjutant; one
Master of Sword; and one Teacher of
Music.

The Superintendent and Commandant of Cadets, while serving as such, rank respectively as colonel and lieutenantcolonel of engineers.

APPOINTMENT AND ADMISSION OF
CADETS.

APPOINTMENTS.

Each Congressional District and Territory-also the District of Columbia-is entitled to have one Cadet at the United States Military Academy. Ten are also appointed at large. The appointments (excepting those at large) are made by the Secretary of War, at the request of the Representative, or Delegate, in Con