Plant hardiness zone map
By: prepared by the U.S. National Arboretum, Agricultural Research Service, U.S. Department of Agriculture in cooperation with the American Horticultural Society
Contributors: American Horticultural Society; United States. Agricultural Research Service
Edition: Rev. 1965.
Series: Miscellaneous publication -- no. 814; Miscellaneous publication (United States. Department of Agriculture) -- no. 814
Publisher: Agricultural Research Service
Published: 1965
Place of publication: Washington, D.C
Language: eng
Subjects: Plants; Maps; Climate; Hardiness; Atmospheric temperature
Notes: Also shows southern Canada.

Text and adapted version of color map on verso.

"*U.S. Government Printing Office: 1965 OF-782-915."