50 PrBLICATIOXS OF THE SURVKY. 



23. Forest Conditions iu Western North Carolina, hy J. S. Holmes. 1911. 

 S°, 116 pp., S pi. Postage 13 cents. 



24. Loblolly or North Carolina Pine, by W. W. Ashe, 1915. 8°, 176 pp., 27 

 pi., 5 figs. Postage 15 cents. 



25. Monazite. Zircon, and Other Minerals Used in the Production of Chem- 

 ical Compositions Employed in the Manufacture of Lighting Apparatus, liy 

 Joseph Hyde Pratt. In press. 



ECONOMIC PAPERS. 



1. The Maple-sugar Industry in Western North Carolina, by W. W. Ashe, 

 1897. 8°. .34 pp. Postage 2 cents. 



2. Recent Road Legislation in North Carolina, by J. A. Holmes. Out of 

 print. 



3. Talc and Pyrophyllite Deposits in North Carolina, bv Joseph Hvde Pratt, 

 1900. 8°, 29 pp., 2 maps. Postage 2 cents. 



4. The Mining Industry in North Carolina During 1900. by Joseph Hyde 

 Pratt, 1901. 8°, .36 pp., and map. Postage 2 cents. 



Takes ud in some detail Occurrences of Gold, Silver, Lead and Zinc, Copper, Iron, 

 Manganese, Corundum, Granite, Mica, Talc, Pyrophyllite, Graphite, Kaolin, Gem 

 Minerals, Monazite, Tungsten, Building Stones, and Coal in North Carolina. 



5. Road Laws of North Carolina, by J. A. Holmes. Out of print. 



6. The Mining Industry in North Carolina During 1901, bv Joseph Hyde 

 Pratt, 1902. 8°, 102 pp. Postage .'/ cents. 



Gives a List of Minerals found in North Carolina; describes the Treatment of Sul- 

 phuret Gold Ores, giving Localities; takes up the Occurrence of Copper in the Vir- 

 gilina, Gold Hill, and Ore Knob districts; gives Occurrence and Uses of Corundum; 

 a List of Garnets, describing Localities; the Occurrence, Associated Minerals, Uses 

 and Localities of Mica; the Occurrence of North Carolina Feldspar, with Analyses; 

 an extended description of North Carolina Gems and Gem Minerals; Occurrences of 

 Monazite, Barytes, Ocher; describes and gives Occurrences of Graphite and Coal; 

 describes and gives Occurrences of Building Stones, including Limestone; describes 

 and gives Uses for the various forms of Clay; and under the head of "Other Eco- 

 nomic Minerals" describes and gives Occurrences of Chromite, Asbestos and Zircon. 



7. Mining Industry in North Carolina During 1902, bv Joseph Hyde Pratt, 

 1903. 8°, 27 pp. Out of print. 



8. The Mining Industry In North Carolina During 1903, l)y Joseph Hyde 

 Pratt, 1904. 8°, 74 pp. Postage // cents. 



Gives descriptions of Mines worked for Gold in 1903; descriptions of Properties 

 worked for Copper during 1903, together with assay of ore from Twin-Edwards 

 Mine; Analyses of Limonite ore from Wilson Mine; the Occurrence of Tin; in some 

 detail the Occurrences of Abrasives; Occurrences of Monazite and Zircon; Occur- 

 rences and Varieties of Graphite, giving Methods of Cleaning; Occurrences of 

 Marble and other forms of Limestone; Analyses of Kaolin from Barber Creek, Jack- 

 son County, North Carolina. 



9. The Mining Industry in North Carolina During 1904, by Joseph Hyde 

 Pratt, 1905. 8°, 95 pp. Postage J cents. 



Gives Mines Producing Gold and Silver during 1903 and 1904 and Sources of the 

 Gold Produced during 1904; describes the mineral Chromite, giving Analyses of 

 Selected Samples of Chromite from Mines in Yancey County; describes Commercial 

 Varieties of Mica, giving the manner in which it occurs in North Carolina, Percent- 

 age of Mica in the Dikes, Methods of Mining, Associated Minerals, Localities, Uses; 

 describes the mineral Barytes, giving Method of Cleaning and Preparing Barytes for 

 Market; describes the use of Monazite as used in connection with the Preparation 

 of the Bunsen Burner, and goes into the use of Zircon in connection with the Nernst 

 Lamp, giving a List of the Principal Yttrium Minerals; describes the minerals con- 

 taining Corundum Gems, Hiddenite and Other Gem Minerals, and gives New Occur- 

 rences of these Gems; describes the mineral Graphite and gives new Uses for same. 



10. Oyster Culture in North Carolina, by Robert E. Coker, 1905. 8°, 39 pp. 

 Out of print. 



11. The Mining Industry in North Carolina During 1905, bv Joseph Hvde 

 Pratt, 1906. 8°, 95 pp. Postage // cents. 



Describes the mineral Cobalt and the principal minerals that contain Cobalt; 

 Corundum Localities; Monazite and Zircon in considerable detail, giving Analyses of 



