. After earthquake and fire . 57 Muntz Metal Plates A. R. Parsons 67 A New Method of Smelting Butte Ores William A. He vivo od . 68 Editorial 76 After the Disaster . 78 The Misuse of Explosives 85 Earthquake Lines W. H. Storms . 87 The Effect in Mines . . 91 Former Earthquakes and Their Dis- carded Lessons . 92 A Story in Stone ■ J.,A. Rickard 96 Editorial 105 Earthquake Sounds 107 Misuse of Dynamite 109 London Comment 113 Earthquakes in Great Britain 116 Editorial 119 Editorial 120 Bad Language 123 Concerning the Earthquake 124 An Earthquake Formula .... 127 The Probable Cause of the San Fran


. After earthquake and fire . 57 Muntz Metal Plates A. R. Parsons 67 A New Method of Smelting Butte Ores William A. He vivo od . 68 Editorial 76 After the Disaster . 78 The Misuse of Explosives 85 Earthquake Lines W. H. Storms . 87 The Effect in Mines . . 91 Former Earthquakes and Their Dis- carded Lessons . 92 A Story in Stone ■ J.,A. Rickard 96 Editorial 105 Earthquake Sounds 107 Misuse of Dynamite 109 London Comment 113 Earthquakes in Great Britain 116 Editorial 119 Editorial 120 Bad Language 123 Concerning the Earthquake 124 An Earthquake Formula .... 127 The Probable Cause of the San Fran- cisco Earthquake Frederick L. Ransome 130 Another Earthquake Theory . 136 Observations of Distant Earthquakes F. Omori . 138 Report of the State Earthquake Com- mission 148 The Earthquake Explained A. S. Cooper . 161 Effects of the Earthquake .... DArcy Weatherbe 167 Following the Pay-Streak R. B. Nickerson 172 The Recovery of Copper from Mine Drainage Philip Argall 178 Perspective in Mining J. Parke Channing . 185. Our Offices at 330 Market Street, San Francisco. PREFACE This little book commemorates an experience which weshared with our neighbors. It is a tribute to the loyalty of ourstaff and to the goodwill of our friends. We give a photo-graphic reduction of the single page that was sent out on April20, in place of our issue of April 21, which was consumed, withall of our property—save the mailing list—early on the morn-ing of April 18. The matter appearing in our issue of April 28is given, omitting only the mining news, special correspond-ence, market quotations, and other material of purelyephemeral interest. In addition, we have reprinted all thearticles dealing with the earthquake and fire, mainly from ourissues of April 28, May 5, and June 16. The collection shouldhave a scientific value and it will serve as an interesting recordin days to come. T. A. RICKARD. August 29, 1906. M INING and Scientific P RESS Whole No. 2387, VOLUME XCII. Science has no enemy save


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