This is an authentic 1925 survey (edition of 1928, reprinted in 1931) U.S.G.S. Topographical Map reproduced in black and white and distributed by the Midcontinent Map Company until Covenant Maps bought them out back in the mid '80s. Shows the individual buildings, roads and the topography of the land at the time of the survey. Actual map size is 16 3/4" X  21 3/4" with viewable portion being 15 1/8" X 18 1/4". The scale is 1/24000 which is approximately 2 5/8" equals 1 mile.