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United States Tariff Commission. (15435) 



maple sugar and maple sirup. 30 pp., illus. Washington, D. G. 1930. 



Vaillancourt. C. (15436) 



maple sugar pays Quebec YEARLY fortune. Canad, Forestry Jour. 15 (12) : 

 491. 1919. 



Vermont Maple Sugar Makers' Association. (15437) 



pure Vermont maple sugar. 47 pp., illus. St. Albans, Vt. 1912. 



(15438) 



VERMONT MAPLE SUGAR, AND SYRUP ; ITS HISTORY ; HOW MADE AND HOW TO 

 PROCURE THAT WHICH IS FREE FROM ADULTERATION ; ... 40 pp., illUS. St. 



Albans, Vt. 1894. 



Wiley, H. W. (15439) 



the adulteration of maple products. U. S. Dept. Agr., Bur. Forestry Bull. 

 59 : 47-54. 1905. 



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ON THE SUGAR CONTENT OF THE SAP OF THE MAPLE TREE AND THE PRESSURE OF 



the same. Amer. Assoc. Adv. Sci. Proc. 28 : 234-236. 1879. 



Williams, Newlin. (15441) 



minor forest products : maple sap. Forester 3 : 19-21, 31-33. 1897. 



Woodward, G. C. (15442) 



maple products industry of quebec province. U. S. Dept. Com., Bur. For- 

 eign and Dom. Com., Com. Repts. 105 : 702-703. 1920. 



NAVAL STORES 



Betts, H. S. (15443) 



possibilities of western pines as a source of naval stores. U. S. Dept. 

 Agr., Forest Serv. Bull. 116, 23 pp., illus. 1912. 



Cary. Austin (15444) 



studies on flow of gum in relation to profit in the naval stores industry. 

 Papers 1-30. Naval Stores Rev. v. 31, no. 34, v. 38, no. 27, 1921-1928. 



Fernow, B. E. (15445) 



EFFECT OF TURPENTINE GATHERING ON THE TIMBER OF LONGLEAF PINE. U. S. 



Dept. Agr., Div. Forestry Circ 9, 1 p. 1895. 



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strength of "boxed" or "turpentine" timber, U. S. Dept. Agr., Div. Forestry 



Circ. 8, 3 pp. 1892. 



Gamble, Thomas (15447) 



gamble's international naval stores yeaebook. Published annually. 

 Savannah, Ga. 1926-30. 



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gamble's naval stores year book for 1926-1929/30. illus. Savannah, Ga. 



1926-29. 



comp. (15449) 



NAVAL STORES : HISTORY, PRODUCTION, DISTRIBUTION, AND CONSUMPTION. 286 pp., 



illus. Savannah, Ga. 1921. 

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A VISIT TO THE SCIENTISTS WORKING ON NAVAL STORES PROBLEMS. Naval Stores 



Rev. 37 (30) : 10, 12, 19, 21. 1927. 



Gerry, Eloise. (15451) 



effect of height of chipping on OLEOREsiN production. Jour. Agr. Research 

 30: 81-93. 1925. 



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OLEORESIN PRODUCTION : A MICROSCOPIC STUDY OF THE EFFECTS PRODUCED ON 

 WOODY TISSUES OF SOUTHERN PINES BY DIFFERENT METHODS OF TURPENTINING. 



U. S. Dept. Agr. Bull. 1064, 46 pp., illus. 1922. 



(15453) 



the production of crude "gum" by the pine tree. In Gamble, Thomas, Naval 



Stores : History, Production, Distribution, and Consumption, pp. 147-153, 

 illus. Savannah, Ga. 1921. 



