Johannsen's Determination of Rock-forming Minerals in Thin Sections. 8vo, 



With Thumb Index $5 00 



* Martin's Laboratory Guide to Qualitative Analysis with the Blow- 



pipe 12mo, 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 Minert.' Tests. 



8vo, paper, 50 

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



Domestic Production 8vo, 1 00 



* Pirsson's Rocks and Rock Minerals 12mo. 2 50 



* Richards's Synopsis of Mineral Characters 12mo, mor. 1 25 



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



* Ries and Leighton's History of the Clay-working industry of the United 



States 8vo, 2 50 



* Rowe's Practical Mineralogy Simplified 12mo, 1 25 



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



Washington's Manual of the Chemical Analysis of Rocks 8vo, 2 00 



MINING. 



* Beard's Mine Gases and Explosions Large 12mo, 3 00 



* Crane's Gold and Silver 8vo, 5 00 



* Index of Mining Engineering Literature 8vo, 4 00 



* 8vo, mor. 5 00 



* Ore Mining Methods 8vo, 3 00 



* Dana and Saunders's Rock Drilling 8vo, 4 00 



Douglas's Untechnical Addresses on Technical Subjects 12mo, 1 00 



Eissler's Modern High Explosives 8vo. 4 00 



*= Gilbert Wightman and Saunders's Subways and Tunnels of New York. 8vo, 4 00 



Goesel's Minerals and Metals: A Reference Book 16mo, mor. 3 00 



Ihlseng's Manual of Mining 8vo, 5 00 



* Iles's Lead Smelting , 12mo, 2 50 



* Peele's Compressed Air Plant 8vo, 3 50 



Riemer'sShaft Sinking Under Difficult Conditions. (Corning and Peele.)8vo, 3 00 



* Weaver's Military Explosives 8vo, 3 00 



Wilson's Hydraulic and Placer Mining. 2d edition, rewritten I2mo, 2 50 



Treatise on Practical and Theoretical Mine Ventilation 12mo, 1 25 



SANITARY SCIENCE. 



Association of State and National Food and Dairy Departments, Hartford 



Meeting, 1906 8vo. 



Jamestown Meeting, 1907 8vo, 



* Bashore's Outlines of Practical Sanitation 12mo, 



Sanitation of a Country House 12mo, 



Sanitation of Recreation Camps and Parks 12mo, 



* Chapin's The Sources and Modes of Infection Large 12mo, 



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



Water-supply Engineering 8vo, 



Fowler's Sewage Works Analyses 12mo, 



Fuertes's Water-filtration Works 12mo, 



Water and Public Health 12mo, 



Gerhard's Guide to Sanitary Inspections 12mo, 



* Modern Baths and Bath Houses 8vo, 



Sanitation of Public Buildings 12mo, 



* The Water Supply, Sewerage, and Plumbing of Modem City Buildings. 



8vo, 



Hazen's Clean Water and How to Get It Large 12mo, 



Filtration of Public Water-supplies 8vo, 



* Kinnicutt, Winslow and Pratt's Sewage Disposal 8vo, 



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



Control 8vo, 



Mason's Examination of Water. (Chemical and Bacteriological) 12mo, 



Water-supply. (Considered principally from a Sanitary Standpoint). 



8vo, 



* Mast's Light and the Behavior of Organisms Large 12mo, 



18 



