BIBLIOGRAPHY OF W. P. BLAKE 47 



Wiirtzilite from the IMiitali Mountains, Utah. Vol. xviii, 1890, pp. 497-503. 

 Note on the use of aluminum in the construction of instruments of precision. 



Vol. xviii, 1890, pp. 503-505. 

 Cintaite, albertite, grahamite, and asphalutum described and compared with 



observations on bitumen and its compounds. Vol. xviii, 1890, pp. 563-582. 

 Contributions to the early history of industry of phosphate of lime in the 



United States. Vol. xxi, 1892, pp. 157-159. 

 Association of apatite with beds of magnetite. Vol. xxi, 1892, pp. 159-160. 

 Note on the magnetic separation of iron ore at the Sanford ore bed, Moriah, 



Essex County, New York, in 1852. Vol. xxi, 1893, pp. 378-379. 

 A new form of furnace for roasting and oxidizing ores. Vol. xxi, 1893, pp. 



943-950. 

 The mineral deposits of southwestern Wisconsin. Vol. xxii, 1894, pp. 558-568. 

 The separation of blende from pyrites. Vol. xxii, 1894, pp. 569-574. 

 The lead and zinc deposits of the Mississippi valley. (Issued as a separate 



pamphlet, "The existence of faults and dislocations in the lead and zinc 



regions of the Mississippi valley, with observations upon the genesis of the 



ores.") Vol. xxii, 1894, pp. 621-634. 

 Zinc-ore deposits of southwestern New Mexico. Vol. xxiv, 1895, pp. 187-195. 

 Notes on the structure of franklinite and zinc-ore beds, Sussex County, New 



Jersey. Vol. xxiv, 1895, pp. 521-524. 

 Alunogen and bauxite of New Mexico. Vol. xxiv, 1895, pp. 571-573. 

 Cinnabar in Texas. Vol. xxv, 1896, pp. 68-76. 

 Notes and recollections concerning the mineral resources of northern Georgia 



and western North Carolina. Vol. xxv, 1896, pp. 796-811. 

 Gold in granite and plutonic rocks. Vol. xxvi, 1897, pp. 290-298. 

 Ilubnerite in Arizona. Vol. xxviii, 1899, pp. 543-546. 

 Glacial erosion and the origin of the Yosemite valley. Vol. xxix, 1900, pp. 



823-835. 

 The caliche of southern Arizona. Vol. xxxi, 1901, pp. 220-226. 

 Notes on the mines and minerals of Guanajuato, Mexico. Vol. xxxii, 1902, pp. 



216-223. 

 Diatom-earth in Arizona. Vol. xxxiii, 1903, pp. 38-45. 

 The Blake stone- and ore-breaker, its invention, forms, and modifications, and 



its importance in engineering industries. Vol. xxxiii, 1903, pp. 988-1031. 

 Origin of pebble-covered plains in desert regions. Vol. xxxiv, 1904, pp. 161- 



162. 

 Tombstone and its mines. Vol. xxxiv, 1904, pp. 668-670. 

 Copper ore and garnet in association. Vol. xxxiv, 1904, pp. 886-890. 

 Superficial blackening and discoloration of rocks, especially in desert regions. 



Vol. xxxv, 1905, pp. 371-375. 

 Evidences of plication in the rocks of Cananea, Sonora. Vol. xxxv, 1905, pp. 



551-552. 

 Origin of orbicular and concretionary structure. Vol. xxxvi, 1906, pp. 39-44. 

 Destruction of the salt works in the Colorado desert by the Salton Sea. Vol. 



xxxviii, 1908, pp. 848-849. 



