39 



Gold from Cape Blanco — Blake, 13. 



Gold mining in Eastern Oregon — Beadle, 6e. 



Gold yield per year — Becker. 7. 



Gold, source of Irvine — 161b. 



Gypsum in Oregon — Yale, 332a. 



Gypsum — Lindgren, 195. 



Importation of crude sulphur into Oregon — Pratt, 246a. 



Iron on Pacific Coast — Yale, 332. 



Iron and steel — U. S. G. S. publications, 161. 



Iron, coal and gold — HitchcU, 156. 



Iron ore near Portland — Diller, 109. 



Josephinite — Melville, 217. 



Josephinite — Curtis, 75. 



Marble — Day, 87. 



Mineral resources — Browne, 18; Lang, 178a. 



Mines and e(]uipment — Becker, 8. 



Mines of Riddles quad. — Diller and Kay, 118. 



Mines of Coast — Goodyear, 149. 



Mining — Laidlaw, 178. 



Minerals of Grants Pass quad. — Diller and Kay, 119. 



Mining, Bohemian district — MacDonald, 200. 



Mineral Springs — U. S. G. S. publications, 227. 



Minerals of Oregon — , 228. 



Minerals and mineral industries — Stafford, 279. 



Minerals in glaucoplane bearing rocks — Smith, 277. 



Minerals — The Resources of the State of Oregon, 255. 



Mineral resources of the West — Raymond, 251. 



Mining — Production of Gold in Oregon, 247. 



Mineral water — Pacific Railroad Report, 241. 



Mining — Oregonians' Handbook, 238. 



Natural soda in Oregon — Chatard, 23. 



Nickel — Austen, 6. 



Nickel ores — U. S. G. S. publications, 235. 



Nickel — Ledoux, 182. 



Nickel— Kay, 164. 



Nickel ores — Clarke, 26. 



Ore deposits — Phillips, 246. 



Oregon geology — Condon, 35a. 



Pitch coal, Coos Bay — Day, 88. 



Platinum — Blake, 13. 



Platinum — Becker, 8. 



Platinum — Kemp, 167. 



Platinum — Parker, 244. 



Platinum— Stovall, 289. 



Placer gold — Washburn, 312. 



Placer gravels of Sumpter and Granite districts, Eastern Oregon — Pardee, 



242a. 

 Placer gold of Waldo, Southern Oregon — Xicol, 235a. 

 Precious stones — Kunz, 175. 

 Quicksilver ores — Wendeborn, 317. 

 Quicksilver mines — Todd, 293. 



Quicksilver — Quicksilver Production in Oregon, 248. 

 (Quicksilver — Demaree, 89. 

 Rare minerals — Lindgren, 192. 

 Rye Valley gold mines — Mathez, 212a. 

 Saxonite — Diller, 93. 

 Saxonite with nickel — Von Foullon, 303. 

 Saxonite containing nickel — Austen, 6. 

 Soil analysis— Irish, 261e; Knisly, 169b, 169c; Man, 203a; Shaw, 269e; 



Sweet, 289a. 

 Vein walls — Rickard, 256. 



