English Map produced by the USEPA depicting Louisiana's ecoregions...
Plains ecoregion, Level III.png English: Map showing the South Central Plains (35) ecoregion as defined by USEPA, with adjacent Level III ecoregions Date...
ecoregions as defined by USEPA, with adjacent Level III ecoregions Date 10 February 2018 Source File:Level III ecoregions, United States.png Author Original File:...
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