* Iddings's Rock Minerals 8vo, 5 00 



Johaimsen'sDetenninationofEock-fonniiig Minerals in Thin Sections 8vo, 4 00 



* Martin's Laboratory Guide to Qualitative Analysis with the Blowpipe. lamo, 60 

 Merrill's Non-metallic Minerals: Their Occurrence and Uses 8vo, 4 00 



Stones for Building: and Decoration 8vo, 5 00 



* Penfield's Notes on Determinative Mineralogy and Record of Mineral Tests. 



8vo, paper, 50 

 Tables of Minerals, Including tlie Use of Minerals and Statistics of 



Domestic Production 8vo, r 00 



* Pirsson's Rocks and Rock Minerals lamo, 2 50 



* Richards's Synopsis of Mineral Characters i2mo, mor. 12s 



* Ries's Clays: Their Occurrence, Properties, and Uses 8vo, 5 00 



* Tillman's Text-book of Important Minerals and Rocks 8vo, 2 00 



MINING. 



"' Beard's Mine Gases and Explosions Large r2mo, 



Boyd's Map of Southwest Viiginia Pocket-book form 



Resources of Southwest Virginia 8vo, 



* Crane's Gold and Silver 8vo, 



Douglas's Untecbnical Addresses on Technical Subjects i2mo, 



Eissler's Modern High Explosives , 8vo, 



Goesel's Minerals and Metals : A Reference Book i6mo, mor. 



Ihlseng's Manual of Mining 8vo, 



* Iles's Lead-smelting i2mo. 



Miller's Cyanide Process i2mo, 



O'DriscoU's Notes on the Treatment of Gold Ores 8vo, 



Peele's Compressed Air Plant for Mines 8vo, 



Riemer's Shaft Sinking Under Difficult Conditions. (Coming and Peele) . . .8vo, 

 Robine and Lenglen's Cyanide Industry. (Le Clerc) 8vo, 



* Weaver's Military Explosives 8vo, 



Wilson's Chlorination Process i2mo, 



Cyanide Processes r2mo. 



Hydraulic and Placer Mining. 2d edition, rewritten i2mo. 



Treatise on Practical and Theoretical Mine Ventilation T2mo, 



SANITARY SCIENCE. 



Association of State and National Food and Dairy Departments, Hartford Meeting, 



1906 8vo, 3 00 



Jamestown Meeting, 1907 8vo, 3 00 



* Bashore's Outlines of Practical Sanitation r2mo, i 25 



Sanitation of a Country House i2mo, 1 00 



Sanitation of Recreation Camps and Parks i2mo, i 00 



Folwell's Sewerage. (Designing, Construction, and Maintenance) 8vo, 3 00 



Water-supply Engineering 8vo, 4 00 



Fowler's Sewage Works Analyses i2mo, 2 00 



Fuertes's Water-filtration Works i2mo, 2 50 



Water and Public Health _ T2mo, r so 



Gerhard's Guide to Sanitary House-inspection r6mo, i 00 



* Modem Baths and Bath Houses 8vo, 3 00 



Sanitation of Public Buildings i2mo, i 50 



Hazen's Clean Water and How to Get It Large i2mo, i 50 



Filtration of Public Water-supplies 8vo, 3 00 



Kinnicut, Winslow and Pratt's Purification of Sewage. (In Press.) 



Leach's Inspection and Analysis of Food with Special Reference to State 



Control 8vo, 700 



Mason's Examination of Water. (Chemical and Bacteriological) r2mo, i 2s 



Water-supply. (ConsideredPrincipallyfromaSanitaryStandpoint). .8vo, 4 00 

 18 



