Number 



U 30. A plea for the mountain stream. By W. C. Lowdermilk, 



U pp; June 1922. • • 



U 31. Disposal of slash on slopes. By V/. C. Lowdermilk. 7 pp. 



June 1922. 



U 32. An outline of slash disposal practice in district one. 



By W. C. Lowdermilk. 5 pp. July 1922. 



U 33. Am.erican seed in Norway. By W. C. Lowdermilk.^ 2 pp. 



July 1922. 



U • "34. Weather records applied to the fire problem. By H. T. 

 Gisborne. 4 pp. Nov. 1922. 



U 35. Intensive management on a demonstration forest. By, 



R. H. Weidman. 3 pp. Dec. 1922. 



U 36. Another thoU(<";ht on sl,-ish disposal in western white pine 



stands. By J. n. Larsen. 2 pp. Jan, 1923. 



U 37. The spruce budworm in northern Idaho, By James C. Evenden, 



3 pp.' Feb, 1923. 



U 3S. A million a year for smoke. ' V.'hat research is doing on 



the problem. By H. T. Gisborne. 4 pp. Kar. 1923. 



U 39. White pine blister rust in the west. By C, R, Stillinger, 



5 pp. Apr. 1923. 



U 40. Forest planting in Montana and northern Idaho. By D, S, 



Olson. 3 pp. May 1923. 



U 41. Some results of winter slash disposal. By Gerhard Kempff, 



3 pp. June 1923. 



U 42, Preliminary results of study of lightning in relation to 



forest fires. By H. T. Gisborne. 3 pp. July 1923 . 



U 43. The results of so;>dng in the northern Rocky Mountain region. 



By W, G. Wahlenberg. 3 pp. Jan. 1924. 



U 44. What forestry steps are practicable in logging western 



yellow pine in the northwest. By R. H. Weidman. 5 pp. 

 Feb. 1924; 



U • 45. Stimulating the growth of Engelmann spruce in the nursery. 

 By W. G. Wahlenberg, 3 pp, Mar. 1924. 



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