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Photograph, Trestle pipe, undated
Photograph showing a trestle pipe carrying water across an area of land devastated by hydraulic mining
Letter, to James Howell, 9 July 1869
Letter from a captain in the US Army to a Mr James Howell, in charge of the US Branch Mint at Dahlonega requesting that Howell take a complete inventory of the machinery left in the Mint
Photograph, Miners Participating in Hydraulic Mining, undated
Photograph showing the destruction of hydraulic mining
Illustration, "A Giant," undated
Illustration showing the technology known as "the Giant," which was a tool integral to the hydraulic mining process
Map, Map of a Part of the Gold Region of Lumpkin County Georgia Along the Chestatee River, compiled from reports by W.P. Blake, 1858
Map of the Lumpkin County region of Georgia, showing the Gold Belt and elevated placers highlighted in yellow and a possible route for an aqueduct
Map of the Gold Placers and Route of the Aqueduct of the Nacoochee Hydraulic Mining Co. White County (later Habersham)
Map showing the locations of gold placers and the route of an aqueduct owned by Nacoochee Hydraulic Mining Company, which was established in 1857
Report, The Gold Placers of the Vicinity of Dahlonega, Georgia, William P. Blake, 1859
Report by William P. Blake and Charles T. Jackson of gold placers near Dahlonega for the Yahoola River and Cane Creek Hydraulic Hose Mining Company
Report Cover, Nacoochee Hydraulic Mining Company of Georgia, ca. 1860s
Report cover depicted the name of a well-known mining company in Georgia
Illustration, "The Stamp Mill," Gold-Mining in Georgia, Harper's new monthly magazine. v. 59, September 1879
Illustration showing an advanced version of a stamp mill
Photograph, Stamp Mill, Undated
Photograph of a water-powered stamp mill