18 UNEMPLOYMENT IN THE UNITED STATES 
(b) For the preservation and maintenance of existing river and harbor works, 
and for the prosecution of such projects heretofore or hereafter authorized as 
may be most desirable in the interest of commerce and navigation: 
(ec) For prosecuting flood-control projects heretofore or hereafter authorized; 
and 
(d) For carrying into effect the provisions of the public buildings act, approved 
May 25, 1926, as now or hereafter amended and supplemented, in respect of 
public buildings within and without the District of Columbia. 
PUBLICATION OF INDEX OF EMPLOYMENT 
Sec. 7. The Secretary of Labor shall prepare and publish monthly an Index 
of Employment, which shall indicate the condition of employment in the United 
States and in each substantial portion thereof. 
PREPARATION OF INDEX OF EMPLOYMENT 
Sec. 8. For the preparation of the Index of Employment there shall be made 
available to the Secretary of Labor, upon his request, statistics collected or com- 
piled by any executive department, independent commission, board, bureau, 
office, agency, or other establishment of the Government. The Secretary of 
Labor is further authorized to utilize, to such extent as he deems advisable, 
statistics collected or compiled by any State or political subdivision thereof, or 
by any private, industrial, commercial, banking, labor, or other association or 
enterprise, and to obtain such additional facts and statistics as he deems necessary 
for such purposes. 
ACCELERATION OF EMERGENCY CONSTRUCTION 
Sec. 9. For the purpose of preventing unemployment during periods of busie 
ness depression and of permitting the Government to avail itself of opportunity 
for speedy, efficient, and economical construction during such periods the Presi- 
dent is requested to direct the Secretary of War, the Secretary of the Treasury, 
and the Secretary of Agriculture to accelerate during such periods, to such 
extent as is deemed practicable, the prosecution of all public works within their 
control. 
ADVANCE PLANNING 
Sec. 10. It is hereby declared to be the policy of Congress to arrange the 
construction of public works, so far as practicable, in such manner as will assist 
in the stabilization of industry and employment through the proper timing of 
such construction, and that to further this object there shall be advance planning 
of public works to be accomplished (a) in the case of river and harbor and flood- 
control works and projects and publie-building projects by means (1) of prelima- 
nary reports, made under the subsequent provisions of this act or existing law, 
as to the desirability of the project; (2) of annual authorizations of projects, the 
total estimates for which are sufficiently in excess of the annual appropriations 
made for the work thereon to result in uncompleted projects being available for 
the expenditure of public works emergency appropriations when made; and (3) of 
advance preparation of detailed construction plans and (b) in the case of public- 
roads projects by means (1) of advance approval of projects in accordance with 
the provisions of the Federal highway act, and amendments and supplements 
thereof, and of this act, and (2) advance preparation of detailed construction 
plans. 
PUBLIC-ROADS PROJECTS 
Sec. 11. (a) In addition to the projects authorized to be approved under the 
Federal highway act, and amendments and supplements thereof, the Secretary of 
Agriculture is authorized to approve emergency Federal-aid road projects for the 
construction, reconstruction, and maintenance of Federal-aid highways, the share 
of the United States in the cost of which is to be paid primarily out of public 
works emergency appropriations made for the purpose. Such emergency projects 
may be approved in advance of any such appropriation but only to such extent 
as the Secretary of Agriculture deems advisable in order that uncompleted projects 
for the expenditure of money so appropriated may be immediately available at 
the time such appropriation is made. If the amount apportioned to the State of 
the public works emergency appropriation made for the purpose is insufficient 
to meet the share of the United States in the cost of all approved emergency 
projects within the State, the balance of the share of the United States shall be