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footnote 418

Titlefootnote 418
Publication TypeMiscellaneous
Year of Publication2009

Agricultural Research Service, 1990: USDA Plant Hardiness Zone Map. Agricultural Research Service, Washington, D.C., 1 map. Arbor Day Foundation, 2006: Hardiness Zones. [Web site] The Arbor Day Foundation, Nebraska City, NE.

Reference number


Citation Key418