Hart-Bolton American history maps - Public domain map

Wall maps.
Relief shown by gradient tints and hachures.
Title from the separately published Teacher's manual accompanying the Hart-Bolton American history maps. Chicago : Denoyer-Geppert, 1919.
Manuals describing maps A1-A24 and A25-A48 were published by Denoyer-Geppert in 1919 and 1928 respectively.
The Hart-Bolton American history series was edited by Albert Bushnell Hart, David Maydole Matteson, and Herbert E. Bolton.
Earlier sheets indicate Bolton American history series.
Secession, 1860-1861 (A15) LC Civil War maps (2nd ed.), 4
Civil War (A16) LC Civil War maps (2nd ed.), 57
Available also through the Library of Congress Web site as a raster image.
Some sheets include charts and graphs.
Some maps include insets.
In lower left margin: "For explanation, see manual which accompanies this series."
Mounted on cloth.
LC has 2 copies of sheet A27.