1861 "Topographical Map of the District of Columbia Surveyed in the Years 1856 '57 '58 & '59" by Albert Boschke

Presented is Albert Boschke's extremely sought-after "Topographical Map of the District of Columbia Surveyed in the Years 1856 '57 '58 & '59" from 1861. The map was published out of Washington D.C. by D. McClelland, Blanchard and Mohun. Boschke’s map is known for its highly accurate details. Drawn on a scale of four inches to a mile, the map documented the location of all buildings in the city, both private and public, with each structure drawn from tape-line measurements that had been made in the field. The roads were measured by two parties, one with transit and chain, the other with a level. Roads, rivers, creeks, farm and wooded lands are named on the map, along with property lines and landowner names. The map also includes accurate topographical details. The map was drawn and engraved in the style of the charts issued by the U.S. Coast and Geodetic Survey. Albert Boschke was a civil engineer who worked for the U.S. Coast and Geodetic Survey in Washington, D.C. His name began t