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City
Jefferson County KY Aerial Photo Index, Year: 1991 Scale:660
Louisville Metro Government —
Polygon layer of 1991 aerial photo models; derived from imagery project program which determined model boundaries based on 9” x 9” contact print photo centers of... -
Federal
COE (BUG) Houston-Galveston 1991
National Oceanic and Atmospheric Administration, Department of Commerce —
Compared species composition, numbers, and biomass per unit area among salt marsh (Spartina alterniflora) and open water habitats in the Galveston Bay corridor to...