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Showing Bookmarks 1 to 15 of 15
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No Caption: c. 1910. Side view of a heavy coastal defense disappearing gun. Retracting or disappearing guns were a form of artillery developed in the nineteenth century in which heavy artillery guns were placed on rotating carriages that allowed retraction of the weapon after firing, to enable reloading while under enemy fire.
Date: 1910
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Caption: "Eagle River D. & R. G. R. R," c. 1923. Denver and Rio Grande Western Railroad tracks run next to the Eagle River at the bottom of a canyon in this photograph. A wall of timber shores up part of one side of the canyon wall in the distance. The Denver and Rio Grande (D&RG) primarily operated railroad lines between Denver, Colorado and Salt Lake City, Utah, with other lines stretching into New Mexico.
Date: 1923
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