Education Department Bulletin 



Published fortnightly by the University of the State of New York 



Entered as second-class matter June 24, 1908, at the Post OflBce at Albany, JH. Y., under 



the act of July 16, 1894 



No. 496 



ALBANY. N. Y. 



June i, 191 i 



New York State Museum 



John M. Clarke, Director 



Museum Bulletin 151 



THE MINING AND QUARRY INDUSTRY 



OF 



NEW YORK STATE 



REPORT OF OPERATIONS AND PRODUCTION DURING 1910 



BY 



D. H. NEWLAND 



PAGE 



Introduction 5 



Mineralproductionof New York 9 



Cement 13 



Clay . 16 



Production of clay materials. . . 16 



Manufacture of building brick. 19 



Other clay materials 23 



Pottery 24 



Crude clay 25 



Emery 26 



Feldspar 27 



Garnet 27 



Graphite 29 



Gypsum 30 



Iron ore 33 



Millstones 39 



PAGE 



Mineral waters. : 40 



Natural gas 45 



Petroleum 48 



Pyrite 50 



Salt 52 



Sand and gravel 56 



Slate 59 



Stone 60 



Production of stone 61 



Granite 61 



Limestone 63 



Marble 67 



Sandstone 68 



Trap 72 



Talc 74 



Index 77 



