The term "building" when used in the foregoing table shall be held to mean and include only any building regularly occupied in whole or in part as a habitation for human beings, and any store, church, schoolhouse, railway station, or other public place of assembly. The term “highway” when used in the foregoing table shall be held to mean public streets or public road, and shall not include roads constructed and maintained by private persons. The term "railroad" when used in the foregoing table shall be held to mean and include any steam, electric, or other railroad that carries passengers or articles of commerce for hire. The term "efficient artificial barricade" when used in the foregoing shall be held to mean an artificial mound or properly revetted wall of earth of a thickness of not less than 3 feet. The provisions of this subsection (b) shall not apply to mining or quarrying operations. Nothing contained in this subsection (b) shall be held to prohibit the keeping or storing of explosives at any explosive manufacturing plant which was actually used in manufacturing explosives prior to the 15th day of April, 1917. (c) Magazines of the second class shall consist of a stout box, and not more than 100 pounds of explosives shall at any time be kept or stored therein, and, except when necessarily opened for use by authorized persons, shall at all times be securely locked. Upon each such magazine there shall at all times be kept conspicuously posted a sign with the words "magazine," "explosives,' dangerous," legibly printed thereon. Nothing in this section contained shall be held to prohibit the keeping or storing of explosives in any tunnel, where no person or persons are employed, provided, always, that any tunnel so used for the storage of explosives shall have fireproof doors, which must at all times be kept closed and locked, except when necessarily opened for the purpose of storing or removing explosives therein or therefrom, by persons lawfully entitled to enter the same. The door of such tunnel magazine shall at all times have legibly printed thereon the words "magazine," "explosives," "dangerous." SEC. 2. Section 11 of said act is hereby repealed. : PUBLICATIONS RELATING TO MINING LAWS. A limited supply of the following publications of the Bureau of Mines has been printed and is available for free distribution until the edition is exhausted. Requests for all publications can not be granted, and to insure equitable distribution applicants are requested to limit their selection to publications that may be of especial interest to them. Requests for publications should be addressed to the Director, Bureau of Mines. The Bureau of Mines issues a list showing all its publications available for free distribution as well as those obtainable only from the Superintendent of Documents, Government Printing Office, on payment of the price of printing. Interested persons should apply to the Director, Bureau of Mines, for a copy of the latest list. PUBLICATIONS AVAILABLE FOR FREE DISTRIBUTION. Bulletin 75. Rules and regulations for metal mines, by W. R. Ingalls and others. 1915. 296 pp., 1 fig. BULLETIN 90. Abstracts of current decisions on mines and mining, December, 1913, to September, 1914, by J. W. Thompson. 1915. 176 pp. BULLETIN 101. Abstracts of current decisions on mines and mining, October, 1914, to April, 1915, by J. W. Thompson. 1915. 138 pp. BULLETIN 118. Abstracts of current decisions on mines and mining, reported from October to December, 1915, by J. W. Thompson. 1916. 74 pp. BULLETIN 126. Abstracts of current decisions on mines and mining, reported from January to April, 1916, by J. W. Thompson. 1916. 90 pp. BULLETIN 152. Abstracts of current decisions on mines and mining, reported from January to April, 1917, by J. W. Thompson. 1917. 79 pp. BULLETIN 159. Abstracts of current decisions on mines and mining, reported from May to August, 1917, by J. W. Thompson. 1917. 111 pp. BULLETIN 164. Abstracts of current decisions on mines and mining, reported from September to December, 1917, by J. W. Thompson. 1918. 147 pp. TECHNICAL PAPER 138. Suggested safety rules for installing and using electrical equipment in bituminous coal mines, by H. H. Clark and C. M. Means. 1916. 36 pp. PUBLICATIONS THAT MAY BE OBTAINED ONLY THROUGH THE SUPERINTENDENT OF DOCUMENTS. BULLETIN 61. Abstracts of current decisions on mines and mining, October, 1912, to March, 1913, by J. W. Thompson. 1913. 82 pp. 10 cents. BULLETIN 65. Oil and gas wells through workable coal beds; papers and discussions, by G. S. Rice, O. P. Hood, and others. 1913. 101 pp., 1 pl., 11 figs. 10 cents. BULLETIN 79. Abstracts of current decisions on mines and mining, March to Decemher, 1913, by J. W. Thompson. 1914. 140 pp. 20 cents. BULLETIN 94. United States mining statutes annotated, by J. W. Thompson. 1915. 1772 pp. In two parts, not sold separately. Cloth, $2.50 per set; paper, $2. 32857°-18-Bull. 161- -17 243 BULLETIN 113. Abstracts of current decisions on mines and mining, reported from May to September, 1915, by J. W. Thompson. 1916. 124 pp. 15 cents. BULLETIN 143. Abstracts of current decisions on mines and mining, reported from May to August, 1916, by J. W. Thompson. 1916. 72 pp. 10 cents. BULLETIN 147. Abstracts of current decisions on mines and mining, reported from September to December, 1916, by J. W. Thompson. 1917. 84 pp. 10 cents. TECHNICAL PAPER 53. Proposed regulations for the drilling of oil and gas wells, with comments thereon, by O. P. Hood and A. G. Heggem. 1913. 28 pp., 2 figs. 5 cents. Bulletin 94 is in two large volumes and contains a complete collection of all United States mining statutes and all sections of the Revised Statutes relating to mining. The decisions of all courts construing these statutes and sections are abstracted and arranged under each, with appropriate titles and references to the cases. These decisions give the legal status of every mining law and show the complete mining jurisprudence, Federal and State, as related to the interpretation of these statutes. |