SEC. 2. The Secretary of the Interior, acting through the United States Bureau of Mines, is further authorized and empowered to make or cause to be made the inspections and investigations provided for in section 1 of this Act at other than annual intervals at any time in his discretion when the making of such inspections or investigations in the mine concerned will be in furtherance of the purposes of this Act. SEC. 3. The Secretary of the Interior acting through the United States Bureau of Mines, or any duly authorized representative of such Bureau, shall be entitled to admission to any coal mine the products of which regularly enter commerce or the operations of which substantially affect commerce, for the purpose of making any inspection or investigation authorized under section 1 or section 2 of this Act. SEC. 4. Any owner, lessee, agent, manager, superintendent, or other person having control or supervision of any coal mine subject to the provisions of section 1 or section 2 of this Act who refuses to admit the Secretary of the Interior, acting through the United States Bureau of Mines, or any duly authorized representative of such Bureau, to such mine, pursuant to the provisions of section 3 of this Act, shall be guilty of a misdemeanor and, upon conviction thereof, shall be punished by a fine not exceeding $500 or by imprisonment not exceeding sixty days, or by both. SEC. 5. Every owner, lessee, agent, manager, superintendent, or other person having control or supervision of any coal mine the products of which regularly enter commerce or the operations of which substantially affect commerce shall furnish to the Secretary of the Interior, acting through the United States Bureau of Mines, or to any duly authorized representative of such Bureau, upon request, complete and correct information to the best of his knowledge concerning any or all accidents involving bodily injury or loss of life which occurred in such mine during the calendar year in which the request is made or during the preceding calendar year. SEO. 6. The Secretary of the Interior, acting through the United States Bureau of Mines, is hereby authorized and directed (a) To report annually to the Congress, either in summary or detailed form, the information obtained by him under this Act, together with such findings and comments thereon and such recommendations for legislative action as he may deem proper; (b) To compile, analyze, and publish, either in summary or detailed form, the information obtained by him under this Act, together with such findings concerning the causes of unhealthy or unsafe conditions, accidents, or occupational diseases in coal mines, and such recommendations for the prevention or amelioration of unhealthy or unsafe conditions, accidents, or occupational diseases in coal mines as he may deem proper; (c) To prepare and disseminate reports, studies, statistics, and other educational materials pertaining to the protection or advancement of health or safety in coal mines and to the prevention or relief of accidents or occupational diseases in coal mines; (d) To expend the funds made available to him for the protection or advancement of health or safety in coal mines, and for the prevention or relief of accidents or occupational diseases therein, in such lawful manner as he may deem most effective in the light of the information obtained under this Act to promote the accomplishment of the objects for which such funds are granted; (e) To transmit to the Director of the Census, either in summary or detailed form, the information obtained by him under this Act, for use in connection with the preparation and compilation of the various Census reports; and (f) To make available for public inspection, either in summary or detailed form, the information obtained under this Act, as soon as practicable after the acquisition of such information. SEC. 7. The execution of the provisions of this Act shall devolve upon the United States Bureau of Mines and the Secretary of the Interior may designate other bureaus or offices in the Department of the Interior to cooperate with the United States Bureau of Mines for such purpose. In order to promote sound and effective coordination of Federal and local activities within the field covered by this Act, the Secretary of the Interior, and the several bureaus and offices under his jurisdiction, shall cooperate with the official mine inspection or safety agencies of the several States and Territories, and, with the consent of the proper authorities thereof, may utilize the services of such agencies in connection with the administration of this Act. Copies of all findings, recommendations, reports, studies, statistics and information made public under the authority of clauses (b), (c), and (f) of section 6 of this Act shall, whenever practicable, be furnished any cooperating State or Territorial agency which may request the same. SEC. 8. The Secretary of the Interior, acting through the United States Bureau of Mines, may, in his discretion, create and establish an advisory committee composed of not more than six members to exercise consultative functions, when required by the Secretary, in connection with the administration of this Act. The said committee shall be composed of representatives of coal-mine owners and of representatives of coal-mine workers in equal number. The members of said committee shall be appointed by the Secretary of the Interior without regard to the civil-service laws. Administrative per sonnel. 42 Stat. 1488. 5 U. S. C. §§ 661-674. Post, p. 613. Proviso. SEC. 9. The Secretary of the Interior, acting through the United States Bureau of Mines, shall have authority to appoint, subject to the civil-service laws, such officers and employees as he may deem requisite for the administration of this Act; to fix, subject to the Classification Act of 1923, as amended, the compensation of officers and employees so appointed; and to prescribe the powers, duties, and responsibilities of all officers and employees engaged in the administration of this Act: Provided, however, That in the selection of persons for appointment as coal-mine inspectors no person shall be so selected spectors. unless he has the basic qualification of at least five years' practical experience in the mining of coal, and is recognized by the United States Bureau of Mines as having the training or experience of a practical mining engineer in those essentials necessary for competent coal-mine inspection; and in detailing coal-mine inspectors to the inspection and investigation of individual mines, due consideration shall be given to their previous practical experience in the work of mining coal in the State, district, or region where such inspections are to be made. Appropriation SEC. 10. There are hereby authorized to be appropriated, out of any thro moneys in the Treasury not otherwise appropriated, such sums as may be necessary for the due execution of this Act. SEO. 11. For the purposes of this Act, the term "commerce" means trade, traffic, commerce, transportation, or communications between any State, Territory, possession, or the District of Columbia and any other State, Territory, or possession, of the United States, or between any State, Territory, possession, or the District of Columbia and any foreign country, or wholly within any Territory, possession, or the District of Columbia, or between points in the same State if passing through any other State or through any Territory, possession, or the District of Columbia or through any foreign country. au "Commerce" de fined. Separability of provisions. May 9, 1941 [H. R. 1824] [Public Law 50] Ohio River. Bridge authorized Ind. SEC. 12. If any provision of this Act, or the application thereof to any person or circumstance, is held invalid, the remainder of this Act, and the application of such provision to other persons or circumstances, shall not be affected thereby. Approved, May 7, 1941. [CHAPTER 88] AN ACT To authorize the construction of a bridge across the Ohio River at or near Cannelton, Perry County, Indiana. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That in order to across, at Cannelton, promote interstate commerce, improve the postal service, and provide for military and other purposes, the Indiana State Toll Bridge Commission be, and is hereby, authorized to construct, maintain, and operate a bridge and approaches thereto across the Ohio River, at a point suitable to the interest of navigation at or near Cannelton, Perry County, Indiana, in accordance with the provisions of the Act entitled "An Act to regulate the construction of bridges over navigable waters", approved March 23, 1906, and subject to the conditions and limitations contained in this Act. 34 Stat. 84. 33 U. S. C. §§ 491498. Right to acquire real estate, etc. Tolls. Application of tolls to operation, sinking fund, etc. SEC. 2. There is hereby conferred upon the Indiana State Toll Bridge Commission all such rights and powers to enter upon lands and to acquire, condemn, occupy, possess, and use real estate and other property needed for the location, construction, maintenance, and operation of such bridge and its approaches as are possessed by railroad corporations for railroad purposes or by bridge corporations for bridge purposes in the State in which such real estate or other property is situated, upon making just compensation therefor, to be ascertained and paid according to the laws of such State, and the proceedings therefor shall be the same as in the condemnation or expropriation of property for public purposes in such State. SEC. 3. The said Indiana State Toll Bridge Commission is hereby authorized to fix and charge tolls for transit over such bridge, and the rates of toll so fixed shall be the legal rates until changed by the Secretary of War under the authority contained in the Act of March 23, 1906. SEC. 4. In fixing the rates of toll to be charged for the use of such bridge the same shall be so adjusted as to provide a fund sufficient to pay for the reasonable cost of maintaining, repairing, and operating the bridge and its approaches under economical management, and to provide a sinking fund sufficient to amortize the cost of such bridge and its approaches, including interest at a rate of not to exceed 5 per centum per annum and reasonable financing cost, as soon as possible, under reasonable charges, but within a period of not to Maintenance as free exceed thirty years from the completion thereof. After a sinking bridge. Records. fund sufficient for such amortization shall have been provided, such bridge shall thereafter be maintained and operated free of tolls. An accurate record of the cost of the bridge and its approaches, the expenditures for maintaining, repairing, and operating the same, and of the daily tolls collected shall be kept and shall be available for the information of all persons interested. SEC. 5. The right to alter, amend, or repeal this Act is hereby expressly reserved. Approved, May 9, 1941. [CHAPTER 89] AN ACT Granting the consent of Congress to the Highway Department of Davidson County, of the State of Tennessee, to construct, maintain, and operate, a free highway bridge across the Cumberland River at a point approximately one and three-fourths miles below Clees Ferry, connecting a belt-line highway in Davidson County, State of Tennessee, known as the Old Hickory Boulevard. May 9, 1941 [H. R. 2684] [Public Law 51] Cumberland River. Bridge authorized below Clees Ferry, Tenn. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the consent of Congress is hereby granted to the Highway Department of David- across, son County, of the State of Tennessee, and its successors and assigns, to construct, maintain, and operate a free highway bridge and approaches thereto across the Cumberland River at a point approximately one and three-fourths miles below Clees Ferry, connecting a belt-line highway in Davidson County, State of Tennessee, known as the Old Hickory Boulevard, in accordance with the provisions of the Act entitled "An Act to regulate the construction of bridges over navigable waters", approved March 23, 1906. SEC. 2. That the right to alter, amend, or repeal this Act is hereby expressly reserved. Approved, May 9, 1941. (CHAPTER 90] AN ACT To extend the times for commencing and completing the construction of a bridge across the Saint Louis River at or near the city of Duluth, Minnesota, and the city of Superior, Wisconsin, and to amend the Act of August 7, 1939, as amended, and for other purposes. 34 Stat. 84. May 9, 1941 [H. R. 2766] [Public Law 52] Saint Louis River. Minn. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the time for commencing and completing the construction of a bridge and bridging, at Duluth, approaches thereto across the Saint Louis River, at or near the city of Duluth, Minnesota, and the city of Superior, Wisconsin, authorized to be constructed by the city of Duluth by an Act of Congress approved August 7, 1939, and heretofore extended by an Act of Congress approved April 30, 1940, is hereby further extended one year from August 7, 1941, and three years from August 7, 1941, respectively. SEC. 2. The said Act approved August 7, 1939, as heretofore amended by the Act of Congress approved April 30, 1940, is further amended as follows: (a) The second sentence of section 3 of said Act as amended is amended to read: "All such bonds shall be in a form not inconsistent with this Act and shall mature at such time or times as the city may determine, not exceeding twenty years from August 7, 1941." (b) The third sentence of section 3 of said Act is amended to read: "The city, when it deems it to be in the best interests of the city, may issue refunding bonds to repurchase and redeem any outstanding bonds before the maturity thereof: Provided, That the refunding bonds shall mature at such time or times not exceeding thirty years from August 7, 1941, as the city may determine. SEC. 3. The right to alter, amend, or repeal this Act is hereby expressly reserved. Approved, May 9, 1941. 53 Stat. 1258; 54 Stat. 172. Bonds, form and maturity. 53 Stat. 1259; 54 Stat. 172. Refunding bonds. 53 Stat. 1259. Proviso. May 9, 1941 [H. R. 2829] [Public Law 53] Susquehanna River. bridging, at Harris Time extended for burg, Pa. To extend the times for commencing and completing the construction of a bridge across the Susquehanna River at or near the city of Harrisburg, Pennsylvania. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the times for commencing and completing the construction of a bridge across the Susquehanna River at or near the city of Harrisburg, Pennsylvania, authorized to be built by the Dauphin County (Pennsylvania) Author53 Stat. 1263; 54 ity by an Act of Congress approved August 7, 1939, and heretofore extended by the Act of Congress approved July 2, 1940, are hereby extended one and three years, respectively, from May 1, 1941. Stat. 729. bia. May 9, 1941 [H. R. 3066] [Public Law 55] District of Colum- crossings. 32 Stat. 918. SEC. 2. The right to alter, amend, or repeal this Act is hereby expressly reserved. Approved, May 9, 1941. [CHAPTER 92] AN ACT To extend the times for commencing and completing the construction of a bridge across the Susquehanna River at or near the city of Middletown, Pennsylvania. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the times for commencing and completing the construction of a bridge across the Susquehanna River at or near the city of Middletown, Pennsylvania, authorized to be built by the General State Authority, Commonwealth of Pennsylvania, and/or the Pennsylvania Bridge and Tunnel Commission, by an Act of Congress approved April 30, 1940, are hereby extended one and three years, respectively, from May 1, 1941. SEC. 2. The right to alter, amend, or repeal this Act is hereby expressly reserved. Approved, May 9, 1941. [CHAPTER 93] AN ACT To amend an Act to provide for a Union Railroad Station in the District of Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That so much of section 10 of an Act of Congress entitled "An Act to provide for a Union Railroad Station in the District of Columbia, and for other purposes", approved February 28, 1903 (Public, Numbered 122, D. C. Code §7-1214. Fifty-seventh Congress, 32 Stat. 909), which reads "Any and all streets or highways within the District of Columbia now or hereafter planned or projected to cross any line of steam railroad in the District of Columbia, which may be hereafter opened to public use shall be located, constructed, and maintained either beneath such railroad by a suitable subway, or above the same by a suitable viaduct bridge at such altitude as will not interfere with the free and safe operation thereof.", be, and the same is hereby, amended to read as follows: "Any and all streets or highways within the District of Columbia now or hereafter planned or projected to cross any line of railroad, other than a street railway, in the District of Columbia, which may be hereafter opened to public use, shall be located, constructed, and maintained either beneath such railroad by a suitable subway, or above the same by a suitable viaduct bridge at such altitude as will |