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Caption: "Firing 14 Inch Disappearing Gun." This is a copy of a photograph taken by C.D. Heath at the Sandy Hook Proving Ground. It shows a heavy artillery gun firing from an embankment upon which several people stand. Located at Sandy Hook, New Jersey, the Sandy Hook Proving Ground was used by the U.S. Army to test ordinance and materiel from 1874-1919. See also 96-07-08-alb05-102.
Date: 1910
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Caption: "Panama-California Exposition," held in Balboa Park, San Diego, California.
Date: 1915
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Hand-drawn sketch map of Caneros, or Entre Napa boundaries. Volume 1, page 374.
Date: 1834
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Hand-drawn sketch map of Real de las Aduilas boundaries. Volume 1, page 410.
Date: 1834