INDUSTRIES AND COMMERCE--CONTINUED. 
2509. *HYVARINEN, M. J. A comparative time and 
cost study of making sawtimber with some manual saws 
as compared with John power saw. Ann Arbor,1951. 
Thesis (M.F.) - University of Michigan. 
2510. JONES, E, E, A time and cost study for buck- 
ing pine pulpwood with a one man power chain saw. 
Durham,1950. 30 p. Ref. 
Thesis (M.F.) - Duke University. 
2511. KELLY, J. E. A survey of felling and bucking 
tools used in the South. Durham,1949. 30 p. 
Thesis (M.F.) - Duke University. 
Abs. in South. Lumberman 179(2241):38-39. Aug.15, 
1949. 99.81 S082 
Southern Pine Association and Southern Hardwood 
Producers, cooperating. 
2512. LEVESQUE, H., and LAMOTHE, G. E. Report 
on use of the mechanical saw [vs. bucksaw]. Canad. 
Pulp & Paper Assoc. Woodlands Sect. Annu. Mtg. Proc. 
31:181-191. 1949. 99.9 C166 
Efficiency and productivity analyses, with discussion of 
experience in companies other than Price Bros.,which 
conducted the reported study. Further discussion, p. 204- 
207. 
2513. LUNAM, E. A. Mechanical slashing of pulp- 
wood by Marathon. Pulp & Paper Mag. Canada 52(13): 
128-129. Dec.1951. 302.8 P96 
Canadian Pulp & Paper Association Woodlands Sect. 
Index 1209(B-7-c). 
Includes productivity of mechanical bucking operation. 
2514. MILLER, C.1. History of chain saws. South. 
Lumberman 178(2233):52,54,55. Apr.15,1949. 99.81 S082 
2515. MILLER, C. 1. Work simplification in woods 
work. South. Lumberman 181(2267):37-42. Sept.15,1950. 
99.81 So82 
2516. NORTHEAST PULPWOOD RESEARCH CEN- 
TER. The chemical killing of trees to facilitate bark re- 
moval. Gorham,N. H.,1951. 14 p. 99.79 N814 
Supplementary report entitled Chemical girdling, 1951. 
5 p.. 99.79 N814C 
Includes crew productivity and other facts about opera- 
tions of the Armstrong Forest Company, Pa. 
2517. POND, T. M. Report of Cutting Tool Committee. 
Pulp & Paper Mag. Canada 53(11):156,158. Oct.1952. 
302.8 P96 
Canadian Pulp & Paper Association Woodlands Sect. 
Index 1273(B-7-S) App. C. 
Effects of power saw use on labor and production condi- 
tions in eastern Canada, 
2518. POOL, C. G. An analysis of falling and bucking. 
Lumberman 77(5):80, 82, 84. May 1950. 99.81 W52 
Cost analysis of a private operation in the Pacific North- 
west; discusses comparative costs of logging Federal 
lands. 
2519. ROBINSON, D. D. Gasoline power-saw opera- 
tion fires; a survey of causes and recommendations for 
prevention. Pacific Logging Cong. Loggers Handb. 12:67- 
73. 1952. 99.76 Pil2La 
2520. SAKS, E. V. Veneer iog cutting requires 
special crews. Veneers & Plywood 46(4):20. Apr.1952. 
99.82 V55 
2921. STAMM, E. P. Power vs. hand falling and 
bucking in logging operations of the West. Forest Prod 
Res. Soc. Proc. 4:138-141. 1950. 99.9 F7662P 
Also in Pulp & Paper Mag. Canada 52(4):114,117. Mar. 
1951. 302.8 P96 
2522. ULINDER, J. The mechanics of felling and 
bucking timber. Brit. Colum>ia Lumd2rman 32(2):58, 84. 
Feb.i948. 99.81 B77 
Includes power-saw productivity statistics from opera- 
tions in British Columbia. 
2523. WHITNEY, R. B. A time ana cost study of 
felling and bucking pine timber for a portable mill in 
North Carolina. Durham,1951. 46 p. Ref. 
Thesis (M.F.) - Duke University. 
2524. ZASADA, Z. A., and ZEHNGRAFF, P. J. Costs 
of cutting jack pine. U. S. Forest Serv. Lake States 
Forest Expt. Sta. Tech. Note 318,2 p. July 1949. 
1.9 F7625T 
Productivity study, felling, limbing, bucking, and 
miscellaneous operations. 
2525. ZASADA, Z, A., and ZEHNGRAFF, P. J. 
Logging costs of aspen. U. S. Forest Serv. Lake States 
Forest Expt. Sta. Tech. Note 304,1 p. Oct.1948. 
1.9 F7625T 
*Not examined. 
INDUSTRIES AND COMMERCE--CONTINUED. 
Time study of hand-felling, limbing, bucking, and 
preliminary piling. 
2526. ZASADA, Z. A. Time required to cut black 
spruce trees. U.S. Forest Serv. Lake States Forest 
Expt. Sta. Tech. Note 291,2 p. Apr.1948. 1.9 F7625T 
Hand-cutting pulpwood. 
Skidding and Hauling (Primary Transport) 
2527. ATKINSON, C. C. Yarding of 4-foot sap peeled 
pulpwood with Ford wheeled tractor with bombardier 
track conversion. Pulp & Paper Mag. Canada 52(1):111. 
Jan.1951. 302.8 P96 
Canadian Pulp & Paper Assoc. Woodlands Sect. Index 
1104(B-8-f). 
2528. BROMLEY, W.S. Improved methods of hand- 
ling pulpwood. Paper Trade J. 131(17,i.e.18):18-21. 
Nov.2,1950. 302.8 P196 
Also in Forest Prod. Res. Soc. 4:142-147. 1950. 
99.9 F7662P 
The need for time and cost studies in United States 
pulpwood hauling. 
2529. BROWN, N. C. Cableway logging in the Adiron- 
dacks. Wood [Chicago] 5:24,50. Jan.1950. 99.82 W859 
2530. BUSCH, T. N. Use of sulkies and high boom 
arches in pulpwood logging. Paper Mill News 75(3):40, 
42. Jan.19,1952. 302.8 P195 
Includes costs of operations in Texas, Louisiana, and 
Arkansas. 
2531, CANADIAN PULP AND PAPER ASSOCIATION. 
WOODLANDS SECT. Mechanical hauling; a panel dis- 
cussion in two parts. Pulp & Paper Mag. Canada 53(10): 
191,194,196, 198-200, 202-203,205-206,208,210,212. Sept. 
1952. 302.8 P96 
2532. COLLIER, R. D. Gravity transport of wood by 
wire. Pulp & Paper Mag. Canada 51(7):138,142. June 
1950. 302.8 P96 
Canadian Pulp & Paper Association Woodlands Sect. 
Index 1087(B-8-g). 
Includes productivity and costs of operations in Canada. 
2533. COOK, D. For logging in New York; horse of 
tractor? N. Y. State Conserv. 5(2):24-25. Oct./Nov. 
1950. 279.8 N48 
2534. *EVANS, G. W. An investigation of the time 
and costs involved in hauling pulpwood with a one and 
one-half ton truck. Durham,1950. 
Thesis (M.F.) - Duke University. 
2535. HOOKER, L. W. Logging damage: tree-length 
skidding vs. log-length skidding. Houghton, Mich. Col. 
Mining & Technol.,1949. 8p. 99.76 H76L 
Also in Lake States Timber Digest 3(18):3,5. July 14, 
1949, 99.81 L14 
Types and frequency of damage. 
2536. KELLY, J. L. Horses in the pulpwood industry 
jet Canada]. Pulp & Paper Mag. Canada 53(5):160,164- 
§5,167-168,170,172,175-176,180. Apr.1952. 302.8 P96 
Canadian Pulp & Paper Association Woodlands Sect. 
Index 1244(B-8-c). 
2537. KOROLEFF, A., and SILVERSIDES, C. R. 
Transport of wood by gravity over suspended wire. J. 
Forestry 47:84-93. Feb.1949. 99.8 F768 
Also Pulp & Paper Res. Inst. Canada, Woodlands Res. 
Index 81,14 p. 1950. 99.8 W855A 
2538. LAMOND, L. D. A time and cost study of trac- 
tor skidding pine logs to a portable sawmill in North 
Carolina. Durham,1951. 36 p. 
Thesis (M.F.) - Duke University. 
2539. LEMAY, P. V. Bundle skidding at Marathon. 
Pulp & Paper Mag. Canada 52(3):256,259,261-262. Conv. 
Issue 1951. 302.8 P96 
Includes productivity results of mechanized logging 
studies conducted by Marathon Paper Mills of Canada, 
Ltd. 
2540. MCCOLL, B. J. Cable yarding. Pulp & Paper 
Maz. Canada 50(13):118-120, 122, 124, 126,128,130. Dec. 
1949. 302.8 P96 
Canadian Pulp & Paper Association Woodlands Sect. 
Index 1058(B-3-g). ; 
Survey of Canadian operations, with a table showing the 
method used, number of cords produced, terrain, equip- 
ment, crew size and production per hour, and other ~ 
information, for each company. A cable-yarding terminol- 
ozy list is appended. 
*Not examined. 
