Downtown Federalsburg, 1875 Maps, Town | 0 comments Zoom in. Then use the transparency slider and background map changer at upper right. From the John B. Isler 1875 map of Caroline County. See the larger map of downtown Federalsburg here. [Search: xxdowntown ] Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.