A computer program to map tree crown shadows in the urban forest /

Bibliographic Details

Main Author:	Halverson, Howard G.
Corporate Authors:	United States. Forest Service, Northeastern Forest Experiment Station (Radnor, Pa.)
Other Authors:	Mawson, Joseph C.
Format:	Government Document Book
Language:	English
Published:	Broomall, Pa. : Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1980.
Series:	USDA Forest Service general technical report NE ; 59.
Subjects:	Computer programs. Shade trees. Shades and shadows.