1. Atlas of relations between climatic parameters and distributions of important trees and shrubs in North America : modern data for climatic estimation from vegetation inventories Author/Creator: Thompson, Robert Stephen, cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2012 Resource Type: Map Access & Availability: Loading
2. Atlas of relations between climatic parameters and distributions of important trees and shrubs in North America : ecoregions of North America Author/Creator: Thompson, Robert Stephen, cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2007 Resource Type: Map Access & Availability: Loading