INDUSTRIES AND COMMERCE--CONTINUED. 
tion. Estimates available slab material and costs of 
production. 
3437. BELL, K. E. The tanning industry in New 
England. Noeast. Wood Util. Council B. 39:9-12. Sept. 
1952. 99.9 N819 
3438. CLARKE, I. D., and others. Tannin content and 
other characteristics of native sumac in relation to its 
value as a commercial source of tannin. U.S.D.A. Tech. 
B. 986,76 p. Ref. Dec.1949. 1 Ag84Te 
J. S. Rogers, A. F. Sievers, and H. Hopp, joint authors. 
U. S. Bureau of Agricultural and Industrial Chemistry, 
U. &. Bureau of Plant Industry, Soils, and Agricultural 
Engineering, and U. S. Soil Conservation Service, coop- 
erating. 
3439. FLINN, E. S. The necessity and feasibility of 
the commercial development of the California tan bark 
oak for tannin and wood puip. Conf. Cult. Drug & Assoc. 
Econ. Plants Calif. Proc. 3:168-171. 1947,pub.1948. 
71.9 C762 
Includes management aspects. 
3440. FLINN, E. S. Operation of a tannin extraction - 
plant. Noeast. Wood Util. Council B. 39:13-16. Sept.1952 
99.9 N819 
Includes costs, : 
3441. FLINN, E.S. Wood tannin. Tappi Monog. Ser. 6: 
146-166. 1948. 302.9 T22T i 
Part of a symposium on the Nature of the chemical 
components of wood, conducted by the Technical Associa- 
tion of the Pulp and Paper Industry. Contains a table 
showing sources of tannin used in the United States, and 
percentages of consumption. 
3442, GREAVES, C. Canadian wood bark as a source 
of tannin. Brit. Columbia Lumberman 33(9):106,108,110. 
Sept.1949, 99.81 B77 
Also in Canada Lumberman 69(5):81,84. May 1949. 
99.81 C16; Pulp & Paper Mag. Canada 52(4):118;121-122. 
Mar.1951. 302.8 P96 
Locates industry and materials. 
3443. KIDDER, M. C., and FINNEY, W. H. California 
tan bark oak—its immediate availability and possibilities 
as a source of tannin and wood pulp. Conf. Cult. Drug & 
Assoc. Econ. Plants Calif. Proc. 3:149-152. 1947,pub. 
1948. 71.9 C762 Bes 
3444. KIDDER, M. C., and FINNEY, W. H. The com- 
mercial development of Acacia wattle trees in California 
as a source of tannin and wood pulp. Conf. Cult. Drug & 
Assoc. Econ. Plants Calif. Froc. 3:153-165. 1947,pub. 
1948. 71.9 C762 
Estimates growing and production costs. 
3445. LOLLAR, R. M., and O'FLAHERTY, F. The 
domestic vegetable tannin situation. Noeast. Wood Util. 
Council B. 25:87-98. Ref. Jan.1949. 99.9 N819 
Also in Paper Trade J. 128(17):19-22. Ref. Apr.28, 
1949. 302.8 P196 
3446. NORTHEASTERN WOOD UTILIZATION COUN- 
CIL. Tannin from waste bark. Noeast. Wood Util. 
Council B. 39,31 p. Sept.1952. 99.9 N819 
3447, O'FLAHERTY, F., and LOLLAR, R. M. The 
availability of vegetable tannins. Conf. Cult. Drug & 
Assoc. Econ. Plants Calif. Proc. 3:172-183. Ref. 1947, 
pub.1948. 71.9 C762 
3448. ROGERS, J. S. Potential tannin supplies from 
domestic barks. Noeast. Wood Util. Council B. 39:17-28. 
Ref. Sept.1952. 99.9 N819 
3449, ROGERS, J. S. Tannin from northeastern barks. 
Noeast. Wood Util. Council B. 25:99-108. Ref. Jan.1949. 
99.9 N819 
Includes discussion of supply and availability. 
3450. SCOTT, D. S., and GARDNER, J. A. F. Eco- 
nomics of tannin production from sea-water floated 
western hemlock bark. Brit. Columbia Lumyverman 36 
(4):51,116,118,120-122,124. Ref. Apr.1952. 99.81 B77 
Canada Forest Products Laboratories, cooperating. 
3451. SNOW, E. A. Oak slabs and cordwood as a 
source of tannin and pulp. Amer. Leather Chem. Assoc. 
J. 47:563-577. Ref. Aug.1952. 303.9 Am32 
3452. WATSON, M. A. Economics of cattlehide 
leather tannings; a panoramic study of the economic 
structure of the American leather industry. Chicago, 
Rumpf,i950. 248 p. Ref. 303 W33 
Ch. 4, Tanning materials, includes statistics of produc- 
tion and consumption of domestic tannin sources: chest- 
nut, oak, hemlock, and sulfite cellulose. 
104 
INDUSTRIES AND COMMERCE--CONTINUED. 
Oils 
3453. ARIES, R. S., and KIDDER, M. C. Production of 
thymol from California bay tree oil. Conf. Cult. Drug & 
Assoc. Econ. Plants Calif. Proc. 3:218-262. Ref. 1947, 
pub.1948. 71.9 C762 
Chiefly technology, but presents economic Summary 
p. 230-232, and a map of the range of Umbellularia 
californica in California. 
3454. BANKS, W. J. There's oil in these trees. For- 
est & Outdoors 47(6):26-27. June 1951. 99.8 C16 
Essential oils from spruce logging waste. 
3455. COCHRANE, J. A. Cedar leaf oil extraction. 
Forest Prod. Res. Soc. J. 1(1):120-123. Sept.1951. 
99.9 F76620 
Discusses present commercial production and develop- 
mental possibilities in the West, using western redcedar. 
3456. HENCH, M. H. Distillation of black birch for 
oil. Forest Leaves 34(4):4-5,14. Sept./Oct.1949. 
99.8 F763 
Local production in Pennsylvania. 
3457. KLEIN, S. Cedar species [and cedarwood oil]. 
Amer. Perfumer & Essential Oil Rev. 51:137-140,242- 
245. Ref. Feb.-Mar.1948. 303.6 Am3 
3458. POOL, C. From the lowly Juniper[us] mexi- 
cana comes a chemurgic enterprise in cedarwood 
products. Chemurg. Digest 7/7):7-10. July 1948. 
381 N213Na 
Describes a Texas industry extracting the oil for 
sprays, oil, and soap. 
3459. SHAW, A. C. Production of essential oils from 
coniferous foliage. Canad. Chem. & Process Indus. 35: 
44-45, Jan.1951. 331 C16 
Condensed in Canada Lumberman 70(12):48. Dec.1950. 
99.81 C16 
A project of the Ontario Research Foundation. Dis- 
cusses the needle resource, and markets for the product, 
in addition to outlining production processes. 
Molasses and Yeast 
3460. DARWIN, W. N. Molasses from low grade hard- 
woods. Forests & People 2(2):16-17. Apr.1952. 
99.8 F7628 
The industry's possibilities are illustrated by pilot plant 
operations at Wilson Dam, Ala., sponsored by the U. S. 
Tennessee Valley Authority. 
3461. GILBERT, N., HOBBS, I. A., and SANDBERG, 
W. D. Utilization of wood by hydrolysis with dilute sul- 
furic acid. Forest Prod. Res. Soc. J. 2(5):43-49. Ref. 
Dec.1952. 99.9 F7662J 
The economics of wood molasses production from wood 
waste and cordwood, based on the Madison wood-sugar 
process. The foundation study for this paper was con- 
ducted by the U. S. Tennessee Valley Authority. 
3462. HARRIS, E. E. ‘Molasses and yeast from wood. 
Crops in Peace and War, U.S. D. A. Ybk. 1950/51:886- 
890. 1951. 1 Ag84yY 
As feed for poultry and livestock. 
3463. HARRIS, E. E. Production of livestock feed 
from waste wood. Forest Prod. Res. Soc. J. 1(1):43-48. 
Sept.1951. 99.9 F7662J 
Also in Nowest. Wood Prod. Clinic Proc. 6:40-45. 
1951. 99.9 Sp6 - 
3464. SCHLEEF, M. L. The economics of fodder 
yeast from sulfite waste liquor. Wash. State Col. Bur, 
Econ. & Business Res., Econ. & Bussiness Studies B. 7, 
43 p. Sept.1948. 280.9 W272 
Factors and costs of production; marketing possibilities. 
MISC ELLANEOUS COMMODITIES 
3465. PADDOC 
South. Lumberman 
99.81 So82 
Miscellaneous nonwood forest products available from 
southern Appalachian forests. 
3466. SHAW, E. W. Minor forest products of the 
Pacific Northwest. U.S. Forest Serv. Pacific Nowest. 
Forest & Range Expt. Sta. Res. Note 59,10 p. Dec.1949. 
1.9 F7629Fr 
Similar title in Amer. Forests 58(12):17,42-43. Dec. 
1952. 99.8 F762 
Includes Christmas trees and greens, drug plants, 
burls, bow staves, rustic furniture, fruits, saps, pitches, 
tanbark, ornamentals, dyestuffs, and essential oils. 
W.R, All this, and timber too! 
83(2297):241-243. Dec.15,1951. 
