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1930 U.S.G.S. Map Yosemite National Park, Glacial Deposits


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Title:    Map of Glacial and Postglacial Deposits in Yosemite Valley, Mariposa County, California.

Description:    A fine example of Francois e. Matthes' 1930 map of the glacial and postglacial deposits in the spectacular Yosemite Valley in Yosemite National Park, California. Centered on the Merced River, this map covers the region along the Yosemite from elephant Rock as far east as Clouds Rest. The altitude of principal points is noted in the top left quadrant along with an inset index map. The map is highly detailed and features roads and buildings including the Yosemite Lodge, stables, the Ahwahnee Hotel, Le Conte Memorial Lodge and the fish hatchery. Throughout countless well known Yosemite sites are noted, including Mirror Lake, Ribbon Fall, el Captain, and Half Dome as well as various other falls, peaks, trails, roads, mountain passes, meadows, lakes, rivers and creeks. The map also notes areas that were 'unglaciated', which include Half Dome, Clouds Rest and el captain among others. Located on the western slope of the Sierra Nevada Mountains and comprising of only 1% of the Yosemite National Park area, the Yosemite Valley is the most attractive and the most visited part of the park. The glaciers in the Yosemite formed millions of years ago and as they moved down, they carved the rocks into the U-shaped valley we know today. The map is color coded with a detailed key in the left quadrant of the map. This particular map was published as plate 29 by the United States Geological Survey in 1930 as part of the Geological History of the Yosemite Valley.

Date:    1930 (dated)

Source:    Matthes, F. E., Geologic History of the Yosemite Valley, (Washington, USGS) 1930.

Cartographer:    The Office of the Coast Survey (later the U.S. Geodetic Survey), founded in 1807 by President Thomas Jefferson and Secretary of Commerce Albert Gallatin, is the oldest scientific organization in the U.S. Federal Government. Jefferson created the "Survey of the Coast," as it was then called, in response to a need for accurate navigational charts of the new nation's coasts and harbors. The first superintendent of the Coast Survey was Swiss immigrant and West Point mathematics professor Ferdinand Hassler. Under the direction of Hassler, from 1816 to 1843, the ideological and scientific foundations for the Coast Survey were established. Hassler, and the Coast Survey under him developed a reputation for uncompromising dedication to the principles of accuracy and excellence. Hassler lead the Coast Survey until his death in 1843, at which time Alexander Dallas Bache, a great-grandson of Benjamin Franklin, took the helm. Under the leadership A. D. Bache, the Coast Survey did most of its most important work. During his Superintendence, from 1843 to 1865, Bache was steadfast advocate of American science and navigation and in fact founded the American Academy of Sciences. Bache was succeeded by Benjamin Pierce who ran the Survey from 1867 to 1874. Pierce was in turn succeeded by Carlile Pollock Patterson who was Superintendent from 1874 to 1881. In 1878, under Patterson's superintendence, the U.S. Coast Survey was reorganized as the U.S. Coast and Geodetic Survey (C & GS or USGS) to accommodate topographic as well as nautical surveys. Today the Coast Survey is part of the National Oceanic and Atmospheric Administration or NOAA. Click here for a list of rare maps from The United States Coast Survey.

Size:   Printed area measures 17 in height x 36 inches in width (43.18 x 91.44 centimeters)

Condition:    Very good. Original fold lines visible. Blank on verso.

Code:   YosemiteDeposites-usgs-1930 (to order by phone call: 646-320-8650)

© Geographicus Rare Antique Maps, Kevin Brown, 26/11/2014



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