Ch. 181) Bureaus 409 advisory board or other persons at its discretion. The department of health shall have power to grant certificates as provided by law, and to cause to be prosecuted all violations of the health and sanitation laws of the state. The department shall have the right at all times to inspect the equipment and methods of teaching in all medical colleges and medical schools of the state, and shall have the power to refuse examination to the graduates of any school, which on proper notice and hearing, shall be adjudged not a medical college or a medical school in good standing, as defined by law of this state. The department shall have and use a common seal and adopt all necessary rules, regulations, and by-laws not inconsistent with the constitution and laws of this state or of the United States, to enable it to perform its duties and to transact its business. It shall have power through its deputy officer to perform any and all of its duties and to call to its assistance the advisory board or any other persons thought fit; except that the examination for licenses to practice medicine shall be conducted by the advisory board. Sec. 7. Quorum.-A majority of its members shall constitute a quorum of the department of health. Sec. 8. Bureau of epidemiology. There shall be organized under the authority of the state department of health a bureau of epidemiology, a bureau of public health engineering and bureau of vital statistics. Sec. 9. Same-chief of bureau. The bureau of epidemiology shall be placed in charge of the chief, who shall be appointed by the state department of health. Said chief shall be a graduate physician from a well recognized medical college. and shall be registered or eligible to registration in the state of Nebraska and shall have had experience in public health work. He shall hold his position for a period of four years, unless sooner removed for cause and shall receive a salary of twenty-five hundred ($2,500.00) dollars per year. Sec. 10. Bureau of engineering. The bureau of public health engineering shall be placed in the charge of a chief who shall be appointed in the same manner as the chief of the bureau of epidemiology, shall hold his position for a period of four years. unless sooner removed for cause and shall receive a salary of two thousand ($2,000.00) per annum. Sec. 11. Bureau of statistics. The bureau of vital statisties shall be placed in charge of a chief statistician, appointed in the same manner as the chief of the bureau of epidemiology, with the same tenure of office, and shall receive a salary of twelve hundred ($1,200.00) per annum. Sec. 12. Power and duty of bureau chiefs.-The powers and duties hitherto belonging to the state health inspector under the law of this state are hereby made the powers and duties of the chief of the bureau of epidemiology. He shall also be responsible for the collection of morbidity reports, and the control of preventable diseases, the work of the diagnostic laboratory and supervision of the activities of local health authorities. Sec. 13. Same-bureau of engineering. The chief of the bureau of public health engineering shall be responsible for the activities concerned in the maintenance of the purity of water supplies, the disposal of sewage, garbage and trade wastes, and the laboratory work required in the analysis of water and sewage. Sec. 14. Same-vital statistics.-The chief of the bureau of vital statistics is made responsible for the collection of birth and death certificates, marriage and divorce reports, and the compilation and tabulation of information relating to the public health. Sec. 15. Laboratories. The state department of health shall maintain a laboratory divided into two parts, the diagnostic and the water and sewage laboratories. The former shall be a division of the bureau of epidemiology and the latter a division. of the bureau of public health and engineering. Sec. 16. Duties of department. It shall be the duty of the state department of public health, in addition to other duties provided by law, to secure and maintain in all parts of the state an efficient registration of births and deaths and official record and a notification of reportable diseases; to provide popular literature upon the different branches of public health and distribute the same free throughout the state in a manner best calculated to promote that interest; to prepare and exhibit in the different communities of the state public health demonstration, accompanied by lectures and moving pictures and in all other effective ways to prevent the origin and spread of disease and promote the general public health. Ch. 181) Salaries-Accounts 411 Sec. 17. Salaries.-The following schedule of personal salaries and expenses is hereby established: Sec. 18. Accounts. The state department of health shall keep an accurate account of all its expenses of whatever nature in such form as to show the cost of maintaining any bureau, office, activity, or item upon brief examination. Sec. 19. State board of health construed.—Whenever the term of, "state board of health," is used in Nebraska statutes it shall be construed to mean the state department of health, wherever it reads "medical examining board" it shall be construed to mean advisory board of secretaries. Sec. 20. Repeal.-That Sections 2710, 2711, 2712, 2713, 2714, 2715, 2716, 2739, 2741, 2742, 2850, 2851, 2852, and 2853 Revised Statutes of Nebraska for 1913, are hereby repealed. Approved, April 5, 1917. CHAPTER 182. (House Roll No. 184.) [Introduced by Mr. Fuller.] AN ACT to prohibit the use of paved public highways by tractor engines or any heavy machine having lugs on wheels. Be It Enacted by the People of the State of Nebraska: Section 1. Heavy machines on paved roads prohibited. It shall be unlawful to drive or haul any traction engine or heavy machine having lugs on its wheels, over or on any paved public highway in this state: Provided, that where it is necessary such paved highway may be used by such machine by first removing lugs or laying planks thereon of sufficient strength and thickness to protect the paving from injury. Provided further, that any traction engine or heavy engine having lugs, flanges or ribs permanently attached on its wheels shall be permitted to pass over such highways provided that such lugs, flanges or ribs are not less than two and one-half inches wide and not more than one and one-half inches high and are so placed that not less than two such lugs, flanges or ribs of each wheel shall touch the ground at all times, and that the weight shall be the same on all parts of said lugs, flanges or ribs. Sec. 2. Penalties.-Any person convicted of violating this act shall be fined not less than twenty-five dollars and not more than one hundred dollars for each offense and shall pay all damages done to the highway and the costs of prosecution. Sec. 3. Prosecutions.-It shall be the duty of the county attorney to prosecute all violations of this act. Approved, April 21, 1917. AN ACT to provide for grading and improving public roads in each county, to submit a proposition to vote bonds to pay the cost of such improvements and to repeal all acts or parts of acts in conflict here with. Be It Enacted by the People of the State of Nebraska: Section 1. Highways-improvements-county board ascertain needs. The county board in each county of this state may,. within six months from the time this act shall take effect, ascertain the approximate cost of such grading, and the building of such stone, concrete or iron bridges and culverts, as is necessary to put public roads in such county in good condition for public travel. In such estimate shall be included one half the cost of securing such improvements on county line roads. Sec. 2. Same-bonds for expense-election. Within two years from the time the report of such survey and estimate shall be on file in the county clerk's office, the county board may submit to the electors of such county, at a general or special election, a proposition to issue bonds in an amount equal to the estimated cost of such improvement. Said bonds shall not exceed ten per cent of the taxable property of the county and shall run for a period of thirty years, with the option of payment at any time after the expiration of five years, and bear five per cent interest. If three-fifths of the electors voting upon the proposition shall be in favor thereof, it shall be the duty of the county board to cause said bonds to be issued and sold at par or above par. Thereupon said county board shall proceed to let contracts for said grading and culvert work, in the manner and form best calculated in its judgment to secure favorable bids for such improvement. No preference shall be given to the public roads of one part of the county over those in another part in the expenditures of the proceeds of said bonds and in the letting of contracts and prosecution of such work but the entire work of reconstructing, of grading and culverting of the public roads in said county shall be prosecuted with the utmost vigor, to the end that all parts of the county shall be equipped with roads in good condition for ordinary travel. The county board shall endeavor to secure bids |