Sweet Air Maryland antique map large double page and comes from G.M. Hopkins Atlas of Baltimore County Maryland. This atlas was authored and published by G.M. Hopkins at 320 Walnut St. Philadelphia in 1877. This vintage map of Sweet Air Maryland is printed on one side only with a blank verso or reverse side. A truly unique and one of a kind piece of Baltimore County Maryland history with landowners marked on some of the properties. Also know as cadastral maps, these rare maps show Baltimore in 1877 like no other. This historical old map of Sweet Air Maryland is a fine item for display, gift or collection. They frame very well and are a fine addition to any home, business or collection.