MINERALOGY. 
Barringer’s Description of Minerals of Commercial Value. 
Oblong, morocco, 
Boyd’s Resources of Southwest Virginia................ 8vo, 
“ Map of Southwest Virginia........ Pocket-book form, 
Brush’s Manual of Determinative Mineralogy. (Penfield.) .8vo, 
Chester’s Catalogue of Minerals...............-.00- 8vo, paper, 
Cloth, 
3) Dictionary of the Names of Minerals............ 8vo, 
Dana’s System of Mineralogy.... ...... Large 8vo, half leather, 
“First Appendix to Dana’s New “ System of Mineralogy.” 
Large 8vo, 
“  Text-book ‘of Mineralogy............csceeeeeeeees 8vo, 
« Minerals and How to Study Them............... 12mo, 
“ Catalogue of American Localities of Minerals. Large 8vo, 
“ Manual of Mineralogy and Petrography.......... 12mo, 
Egleston’s Catalogue of Minerals and Synonyms.......... 8vo, 
Hussak’s The Determination of Rock-forming Minerals. 
(SMILD Ls: cctwie eeeis wieverivien ol cibrsrwaistery's 9 sleieneee Small 8vo, 
* Penfield’s Notes on Determinative Mineralogy and Record of 
Mineral Tests. ........ ccc cceesececncsccees 8vo, paper, 
Rosenbusch’s Microscopical Physiography of the Rock-making 
Minerals. (Idding’s.).............ceseceee eee eeaee 8vo, 
* Tillman’s Text-book of Important Minerals and Rocks. .8vo, 
Williams’s Manual of Lithology.............00eeeeeeeeees 8vo, 
MINING. 
Beard’s Ventilation of Mines..................0e20e005- 12mo, 
Boyd’s Resources of Southwest Virginia................. 8vo, 
“ Map of Southwest Virginia........ Pocket-book form, 
*Drinker’s Tunneling, Explosive Compounds, and Rock 
DPA oa siccorarsioce ses w taegrates sé eteisieaiei se 3 4to, half morocco, 
Fissler’s Modern High Explosives...............0eeeeee- 8vo, 
Fowler’s Sewage Works Analyses............000eeseeee 12mo, 
Goodyear’s Coal-mines of the Western Coast of the United 
BtAtES i ceee-dds saeeb ee SOAR CREE ET TATE SRE ST ie 12mo, 
Thiseng’s Manual of Mining.............cceeceeeeeeeeees 8vo, 
** Tles’s Lead-smelting.............00ceeeeeeeeee eens 12mo, 
Kunhardt’s Practice of Ore Dressing in Europe............ 8vo, 
O’Driscoll’s Notes on the Treatment of Gold Ores.......... 8vo, 
Sawyer’s Accidents in Mines.............--eseeeeee ones 8vo, 
Walke’s Lectures on Explosives.........0ceccececeeesecs 8vo, 
Wilson’s Cyanide Processes. ........-.sseeeceesseeeeeees 12mo, 
Wilson’s Chlorination Process........... Bia eidid aiew: aramtionense 12mo, 
Wilson’s Hydraulic and Placer Mining.................. 12mo, 
Wilson’s Treatise on Practical and Theoretical Mine Ventila- 
COT. os é chsccendsee es AERA Soe A Ow oe eS 12mo, 
SANITARY SCIENCE. 
Folwell’s Sewerage. (Designing, Construction and Maintenance.) 
8vo, 
Water-supply Engineering...............s..06- 8vo, 
Fuertes’s Water and Public Health............ .....0-+ 12mo, 
* Water-filtration Works.........sseeeseecseees 12mo, 
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