Consulta SQL para excluir valores duplicados em uma junção interna de 3 tabelas com dois bancos de dados diferentes

SELECT 
    "AM-Martin".dbo.CpCore_Site.Number,"AM-Martin".dbo.CpCore_Site.Latitude,"AM-Martin".dbo.CpCore_Site.Longitude,"AM-Martin".dbo.CpSm_Face.RetiredOn,**CAST("AM-Martin_bin".dbo.CpCore_Image.Bytes as Varbinary)**, "AM-Martin".dbo.CpCore_Site.Name, "AM-Martin".dbo.CpCore_Site.Zipcode
FROM
    "AM-Martin".dbo.CpCore_Site

INNER JOIN "AM-Martin".dbo.CpSm_Face on "AM-Martin".dbo.CpSm_Face.SiteId = "AM-Martin".dbo.CpCore_Site.Oid
INNER JOIN "AM-Martin_bin".dbo.CpCore_Image on "AM-Martin".dbo.CpSm_Face.Oid = "AM-Martin_bin".dbo.CpCore_Image.OwnerId

WHERE
    "AM-Martin".dbo.CpSm_Face.RetiredOn LIKE '%9999%'

     AND "AM-Martin".dbo.CpCore_Site.Number LIKE N'%LA%' OR "AM-Martin".dbo.CpCore_Site.Number LIKE N'%LC%' OR "AM-Martin".dbo.CpCore_Site.Number LIKE N'%BH%'


     AND "AM-Martin".dbo.CpCore_Site.Latitude > 0.0

GROUP BY "AM-Martin".dbo.CpCore_Site.Number,"AM-Martin".dbo.CpCore_Site.Latitude,"AM-Martin".dbo.CpCore_Site.Longitude,"AM-Martin".dbo.CpSm_Face.RetiredOn,**CAST("AM-Martin_bin".dbo.CpCore_Image.Bytes as Varbinary)**, "AM-Martin".dbo.CpCore_Site.Name, "AM-Martin".dbo.CpCore_Site.Zipcode;