SELECTED REFERENCES 
American Association of State Highway Officials. A policy on land- 
scape development for the national system of interstate and 
defense highways. Washington,D.C. 1961. 
Barrett, John W. Regional silviculture of the United States. The 
Ronald Press Co., New York. 1962. 
Benneth, J. M. Roadsides, the front yard of the nation. The 
Stratford Co., Boston. 1936. 
California Department of Public Works. California roadsides. 
Sacramento. 1961. 
Dayton, William A. Notes on western range forbs. U.S. Dept. 
Agr. Agriculture Handbook 161. Washington, D.C. 1960. 
Eckbo, Garrett. Landscape for living. F. W. Dodge Corp., New 
York 91950! 
Frank, Robert M. A guide for screen and cover planting of trees 
on anthracite mine-spoil areas. U.S. Forest Service, Upper 
Darby, Pa. 1964. 
George, Ernest J. Shelterbelts for the northern Great Plains. 
U.S. Dept. Agr. Farmers’ Bulletin 2109. Washington, D.C. 
1961. 
Grimm, William Carey. The book of shrubs. The Stackpole Co., 
Harrisburg, Pa. 1957. 
Haller, John H. Tree care. The Macmillan Co., New York. 
195/72 
Hawley, R. C. and Smith, D. M. The practice of silviculture. 
John Wiley and Sons, New York and London. 1960. 
Highway Research Board. Bibliography on roadside development 
and beautification. National Academy of Sciences. Wash- 
ington, D.C. 1965. 
Hitchcock, A. S. and Chase, Agnes. Manual of grasses of the 
United States. U.S. Dept. Agr. Miscellaneous Publication 200. 
Washington, D.C. 1950. 
Lindstrom, G. A. Forestation of strip-mined lands in the Central 
States. U.S. Dept. Agr. Agriculture Handbook 166. Wash- 
ington, D.C. 1960. 
Martin, Alexander C., Zim, Herbert S., and Nelson, Arnold L. 
American wildlife and plants: a guide to wildlife food habits. 
Dover Publications, Inc., New York. 1951. 
Read, Ralph A. Tree windbreaks for the central Great Plains. 
U.S. Dept. Agr. Agriculture Handbook 250. Washington, D.C. 
1964. 
Rehder, Alfred. Manual of cultivated trees and shrubs hardy in 
North America. The Macmillan Co., New York. 2d edition, 
1940. 
76 
Salomon, Julian Harris. Campsite development. Girl Scouts of 
the U.S.A., New York. 1959. 
Sargent, Charles Sprague. Manual of the trees of North America. 
Houghton Mifflin, Boston and New York. 1933. 
Shomon, Joseph J. A nature center for yourcommunity. National 
Audubon Society. New York. 1962. 
Simonds, John Ormsbee. Landscape architecture, the shaping of 
man’s natural environment. F. W. Dodge Corp., New York. 
1961. 
Stoddart, L. A. and Smith, A.D. Range management. McGraw- 
Hill, New York. 1955. 
Tilden, Freeman. Interpreting our heritage. The University of 
North Carolina, Chapel Hill. 1957. 
Van Dersal, William R. Native woody plants in the United States, 
their erosion-control and wildlife values. U.S. Dept. Agr. 
Miscellaneous Publication 303. Washington, D.C. 1939. 
Wakeley, Philip C. Planting the southern pines. U.S. Dept. Agr. 
Forest Service, Agr. Monograph 18. Washington, D.C. 1954. 
Wallin, Harold E. Interpretation, a manual and survey on estab- 
lishing a naturalist program. American Institute of Park 
Executives. Wheeling, W. Va. 1963. 
Wisconsin Department of Resource Development. Recreation in 
Wisconsin. Madison, Wis. 1962. 
Wyman, Donald. Hedges, screens, and windbreaks. Whittlesey 
House. New Yorkand London. 1938. 
. Ground cover plants. The Macmillan Co. New York. 
1956. 
. Trees for American gardens. Macmillan Press. 1959. 
U.S. Department of Agriculture. A manual on conservation of soil 
and water. Agriculture Handbook 61. Washington, D.C. 
1954. 
. Developing the self-guiding trail in the national forests. 
Miscel!aneous Publication 968. Washington, D.C. 1964. 
. Pruning shade trees and repairing their injuries. Home 
and Garden Bulletin 83. Washington, D.C. 1962. 
. Range plant handbook. Washington, D.C. 1937. 
. Silvics of forest trees of the United States. Agriculture 
Handbook 271. Washington, D.C. 1965. 
. Yearbook of Agriculture. Grass. Washington, D.C. 
1948. 
. Yearbook of Agriculture. Trees. Washington, D.C. 
1949, 
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