USFS Ecological Zones - 3rd Approximation
收藏US Fish and Wildlife Service Open Data2026-03-28 收录
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<span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'>USFS ecological zones of the Southern Appalachian Mountains, 3rd edition. </span><a href='https://www.fs.usda.gov/treesearch/pubs/22125' rel='nofollow ugc'>Ecological zones in the Southern Appalachians: first approximation | Treesearch (usda.gov)</a>
