computer program to map tree crown shadows in the urban forest
By: by Howard G. Halverson, Joseph C. Mawson, Brian R. Payne.
Contributors: Payne, Brian R. 1939-; Mawson, Joseph C.; Northeastern Forest Experiment Station (Radnor, Pa.); United States. Forest Service.
Series: General technical report NE -- 59.
Publisher: Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station
Published: 1980
Place of publication: Broomall, Pa
Language: eng
Number of pages: 16
Subjects: Computer programs; Shade trees -- Computer programs; Shades and shadows -- Computer programs
Notes: Cover title.

Bibliography: p. 9.