Keywords: US-LOC-AmericanMemory-Logo.svg Logo of the United States Library of Congress American Memory online archive Extracted from PDF version of http //memory loc gov/ammem/collections/maps/hotchkiss/essay html Hotchkiss map collection essay direct PDF URL http //memory loc gov/ammem/collections/maps/hotchkiss/essay pdf and colorized according to versions on the http //memory loc gov/ammem/index html American Memory home page U S Government Public domain from a copyright standpoint but other restrictions may apply Logos of the Library of Congress SVG logos of governments and government agencies of the United States Federal government logos of the United States PD-USGov insignia |