FOREST PLANTING IN THE LAKE STATES 85 
(31) Hawley, R. C. 
1924. EAELY DEVELOPMENT OF WHITE AND RED PINE PLANTATIONS. Jour. 
Forestry 22:275-281. 
(32) Herbert, P. A. 
1922. GROWTH OF HARDWOOD TREES. A SURVEY OF THE GROWTH IN A 4 5- 
YEAR-OLD ARBORETUM AT THE MICHIGAN AGRICULTURAL COLLEGE. 
Mich. Agr. Expt. Sta. Quart. Bui. 5 : 81-83. 
(33) Herbert, P. A. 
1923. sand blow planting. Mich. Agr. Expt. Sta. Quart. Bui. 
5 : 198-199. 
(34) 
1924. SAND ridge produces valuable timber, western yellow pine and 
eastern white pine are making the most satisfactory 
growth. Mich. Agr. Expt. Sta. Quart. Bui. 6 : 915-919. 
(35) 
1925. JACK PINE AT EAST LANSING. SHOWS FAIRLY RAPID GROWTH ON 
good soil. Mich Agr. Expt. Sta. Quart. Bui. 8 : 81-83. 
(36) Hilton, H. C. 
1918. furrow planting upon the sand plains of Michigan. Jour. For- 
estry 16 : 915-919. 
(37) Hirst, E. G. 
1914. reforesting waste and cut-over land. N. H. Forestry Coran. 
Bui. 4, 27 p., illus. 
<38) Kellogg, R. S. 
1907. forest planting in Illinois. U. S. Dept. Agr., Forest Serv. 
Circ. 81, 32 p., illus. 
(39) Kenety, W. H. 
1914. THE WORK OF THE CLO'QUET FOREST EXPERIMENT STATION. Minn. 
State Forestry Bd. Ann. Rpt. 4 : 57-63, illus. 
( 40) 
1917. PRELIMINARY STUDY OF WHITE SPRUCE IN MINNESOTA. Minn. Agr. 
Expt. Sta. Bui. 168, 30 p., illus. 
(41) ■ 
1917. REPORT OF CLOQUET FOREST EXPERIMENT STATION. Minn. Agr. Expt. 
Sta. Bui. 169, 64 p., illus. 
<42) Kimball, G. W., and Garter, E. E. 
1913. influence of shade and other factors on plantations. For- 
estry Quart. 11 : [176]-184. 
(43) Knapp, F. B. 
[1913]. silviculture of white pine (pinus strobus ) . Mass. Forestry 
Assoc. Bui. 106, 4 p. 
(44) Lyons, R. W. 
1925. artificial regeneration of white spruce. Jour. Forestry 23 : 
100i2-1008. 
(45) MacDonald, G. B. 
1924. THE growth, returns and uses OF PLANTING COTTONWOOD IN IOWA. 
Iowa Agr. Expt. Sta. Bui. 223, p. [169] -201, illus. 
<46) Macoun, W. T. 
1903. THE growth of forest trees in the forest BELTS AND ARBORETUM 
at the central experimental farm, Ottawa, Canada Forestry 
Assoc. Ann. Rpt. 4 : 65-81, illus. 
<47) Michigan. Department of Conservation. 
1923. reforestration. Mich. State Dept. Conserv. Bien. Rpt. 1921-1922 : 
201-203. 
<48) Michigan. Public Domain Commission. 
1917. reforestration. Mich. Pub. Domain Comn. Bien. Rpt. July 1, 
1914-June 30, 1916 : 120-125, illus. ; July 1. 1916-June 30, 1918 : 
90-100, illus. 1919 ; July 1, 1918-June 30, 1920 : 55-64, illus. 1921. 
(49) Minnesota. Forestry Board. 
1913. tree planting. Minn. State Forestry Bd. Ann. Rpt. 3 : 74-79, 
illus. ; 4 : 49-57, illus. 1914. 
(50) Paul, B. H. 
1916. REFORESTING methods and results of forest planting in new 
york state. N. Y. Cornell Agr. Expt. Sta. Bui. 374, p. [645]- 
692, illus. 
