![[MAP] Geological Map of the Nevada City and Grass Valley Mining Districts, Nevada Co., California (1896)](http://www.haaswurth.com/cdn/shop/products/DSC06872_{width}x.jpg?v=1679491672)
Lindgren, W.; et al. [MAP] Geological Map of the Nevada City and Grass Valley Mining Districts, Nevada Co., California (1896). New York: J. Ottmann Lith. Co., (1896). [9174]
19 1/2 x 17 3/4 inches, a beautiful and unusual color map showing the geology of this region, suitable for framing. Very good.
Extracted from the Seventeenth Annual Report, U. S. Geological Survey.