Fifty-two nineteenth- and early-twentieth-century maps of California have been added to the California Historical Society’s new Digital Library. The images represent a sampling of unique or uncommonly held titles ranging geographically from an 1863 map of the copper region of Del Norte County in the north, to a circa 1866 Topographical Map Showing the Locations of the Sutro Tunnel and the Comstock Lode, to a colorful 1913 townsite map of Date City (now called Calipatria) in Imperial County in the south. In between are city, county, mining, real property, water-supply, road, and railroad maps of various localities throughout the state.
[ A rare early map is Ransom Leander’s A Skeleton Map of the State of California:
Exhibiting the U.S. Township and Range Lines and Boundaries of U.S. Land Districts, the County Seats and the Lines of Equal Variations of the Compass. It was compiled for the California Academy of Natural Sciences, probably in 1853. Ransom came to California in 1851 as U.S. Deputy Surveyor General for California and in that year established the Mount Diablo Base and Meridian lines (the initial points for surveying public lands in most of California and all of Nevada).]
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