Alaska 1 Bioclimate Subzones 1 http://data.arcticatlas.org/google/regions/ak/ak4m_biozone_aa Floristic Provinces 1 http://data.arcticatlas.org/google/regions/ak/ak4m_florprov_aa Landscape 1 http://data.arcticatlas.org/google/regions/ak/ak4m_landscap_aa Lake Cover 1 http://data.arcticatlas.org/google/regions/ak/ak4m_pctwater_aa Substrate Chemistry 1 http://data.arcticatlas.org/google/regions/ak/ak4m_subchem_aa Vegetation http://data.arcticatlas.org/google/regions/ak/ak4m_veg_aa