Contents 



PAGE 



Preface 5 



PART I. IXTRODUCTORY 



I. Statistics of the Stoxe Ixdustry ix the Uxited States. ... 7 



II. QUAERY AXD MiLL OpERATIOX 



Quarry Operations 9 



The Stone Mill 15 



PART II. HISTORY AXD DESCRIPTIOX 



III. Gexeral Descriptiox of the Ixdiaxa Stoxe District 21 



IV. ^loXEOE COUXTY — - 



The Stines^-ille and Ellettsville District 25 



Hunter VaUey 27 



Bloomington District 32 



Clear Creek and Sanders District 34 



V. Lawrexce CorxTY — 



General Description 43 



Peerless District 44 



Horseshoe and Oolitic 45 



The Hoosier Quan-y 49 



Dark Hollow .50 



Bedford District 53 



PART III. QUARRY ECOXOMICS 



VI. Power axd ]Machixery — 



General Discussion 55 



Present Practices and ^lachinery 57 



Power 59 



The Ideal Quarry Power Plant 63 



Boiler Power 70 



Cost of Boilers 71 



Cost of Boiler Settings 72 



Coal and Firing 78 



Transmission 88 



Producer Gas and Producer-Gas ^Machinery 94 



Cost of Power 100 



PART IV. UTILIZATIOX OF WASTE 



VII. Quarry Waste — 



General Discussion 115 



Stone Grading 119 



(3) 



