Index to Volume VIII. 
Sul phHatasiycc sole eietercces laocevsicetsieaieieiwlelsinete 448 
Sulphuric cecere ea ertatas ci scin seers 449 
Surface appliances for handling ore..... 212 
Swallowserota Gu Crrseaceien cece cece 15, 31 
mY A 
Table of geological formations in Green 
county, Missouri.................... 58 
of analyses of chert .................- 79 
of analyses of secondary chert gan- 
BUSS ei aictorsitssiseiee misters severe ele omremisisisentu Oo 
Mailingswelevatoraaneecscdeceocenecece: 238 
ew rn eee rere mre) ioe ek atslsonetecec isle 368 
Tempering of tools ................-..000- 228 
Theories of ore formation................ 117 
Theory of ore concentration.............. 332 
Timbering, methods of................... 206 
OOS Merete austostueies eoecete tectseignios scenmeee 
tempering of.......... Hiner ob at Aiea ara 228 
Topography of the Galena mining dis- 
EEL CC ieee ys era eisai Sin olen iaineiaes 46 
TPAMWAY Sh aiccciseaneeswua mucous teed 
Treatment of Ores ..........02 0000. es se0e 300 
OF SLIME) eee Ae Ween eielatalete stars uiseteae rents 366 
Twin Ming asain dovice oes cae lalate abicien cee soo 
U. 
Underground workings at Center creek 
Vall pamela sein ine usta avalon 112 
workings of the Oronogo mine....... 114 
handlingiofjoresmereeeeeetereeeeeetee 212 
United States, lead mining in............ 13 
EAU SOSOflOad acu cece sc seen ieee ene 35 
of zinc in ancient times.............. 5 
of lead in ancient times.............. 4 
Witalyeetarnac cnet rion an cee einen semen LO 
543 
Wh, 
Van Hise, Prof. C. R............. 67, 117, 119 
Ventilating machinery..................- 321 
Ventilation a onccccicanece cess an toes 331 
WiAVIATIELO SSS Micarsiacisig cee ion rails ate alareereiel alee 449 
W. 
Water well, Weir City.................-6. 63 
Wiavelliteysccs cate ciciisc Neca nelae we lela terctcies 449 
Wearoficrushersawsi-nememeconeecrceces 351 
Of srollishell sess eens ce eeisese ooe 
of elevator buckets. .................. 302 
of centrifugal pumps.............. .. 853 
of screens......... ch erevefaeeioalarstereteiasisis 354 
of rubber belting..................... 355 
Weir City water well. ...................- 63 
Wiel Gliy.sy Weiss © reve came, ronenveetaetseckaereraventte 26 
Wetherells Samuel ieasesos iciscieilcclesiesisisie 17 
Wharton, Joseph i. sc cosccdes ces ceecices 17 
Win GOR) AC ker tise eee isis creretalcrelarn wi cinieloineftiotete 495 
Wihiteileadnistccesesecioner wees siosmar eee 5 
WiNLEN CY ;i Dy Saat ecioniinccvaseretwauetoene 3 
Wilfloyatable; Phe sages Sas veers eclce 284 
Winslow, Dr. Arthur........... 3, By fl, | bh 
Wiisconsinvloadessnceaceicnteecce eesti LO 
IWR EZ LCC Yccean tc ccic aa naen ecoeve cisecietee se nals 461 
Z. 
ZAiNCIDIONA Ck. Zea skes aotiiew dle seas eee in ee aOo 
INVALTICAT On teicsein: eresreen aie eet 5 
by EVO TES (ABOVE G5 doooog 0b00 605 6000 66 5 
INGHULODO aes eee oie ee LO. 
MG Gallic ssh se cavecitets ciel deveroteeljeiees 38 
MINEOLA Sierras ee ea ornare aA, 
IMUNUN Grats ec renielee aes secon LG. 
