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Highly detailed map of Yosemite, published by the Department of the Interior from surveys conducted by Marshall and Sylvester during the years 1893-94, 1896, 1898-99, and 1905.

It is a beautifully drawn chart that shows in great detail the topography, watershed and development of the park. Large legend identifies 28 natural and manmade features including boundaries, outposts, telephone and telegraph lines, roads, trails, railroads, contours, glaciers, springs, and more.

A later updated edition was published in April, 1910.