1862. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the historic paper map: Map of the battlefield of Antietam, prepared by Wm. H. Willcox, Top. Off. A... Harvard Map Collection, Harvard College Library.
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1995. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays landmark point features throughout the state.
"Landmark" is the general name given to a cartographic (or locational) landm... U.S. Department of Commerce, Bureau of the Census.
1995. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays polygon landmark features throughout the state.
"Landmark" is the general name given to a cartographic (or locational) lan... U.S. Department of Commerce, Bureau of the Census.
1862. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the untitled historic paper manuscript map: [Map of the country between Harpers Ferry and Leesburg, 1... Harvard Map Collection, Harvard College Library.
1862. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the historic paper map: War telegram marking map. It was published by L. Prang Co. in 1862. Scale [... Harvard Map Collection, Harvard College Library.
1862. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the untitled historic paper manuscript map: [Map of Poolesville, Maryland and vicinity showing the po... Harvard Map Collection, Harvard College Library.
2000. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays the Landmark Point Features throughout the state. "Landmark" is the general name given to a cartographic (or locational) la... U.S. Department of Commerce, Bureau of the Census.
2000. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays polygon landmark features throughout the state. "Landmark" is the general name given to a cartographic (or locational) land... U.S. Department of Commerce, Bureau of the Census.
1862. Harvard Map Collection, Harvard College Library. This layer is a georeferenced raster image of the historic paper map entitled: Topographical map of the original District of Columbia and environs ... Harvard Map Collection, Harvard College Library.