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Enoch Steen, Dodge's Expedition through Kansas & Colorado, 1836£ 950.00
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Society for the Diffusion of Useful Knowledge (SDUK), Southwestern United States and Northern Mexico, 1842£ 625.00
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John C. Fremont, Map of an Exploring Expedition to the Rocky Mountains in the Year 1842 and to Oregon & North California in the Years 1845-44, 1845£ 3,950.00
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D.F. Robinson, Western Territories of the United States, 1847£ 985.00
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United States Pacific Railroad Expeditions (USPRR), Map No.3 - From the Santa Fe Crossing to the Coo Che To Pa Pass, 1855£ 525.00
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Joseph Hutchins Colton, Arizona, Colorado Nevada, New Mexico & Utah, 1862£ 495.00
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Capt. John Navarre Macomb, Map of Explorations and Surveys in New Mexico and Utah, 1864£ 2,750.00
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Royal Geographical Society (RGS), Map of the South-Western Portion of the United States, 1870£ 375.00
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Alvin J. Johnson, Western States of the USA, 1870 c£ 645.00
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W. & A.K. Johnston, Colorado, 1880 (c.)£ 95.00
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Julius Bien, The Range and Ranch Cattle Area of the United-States, 1884£ 1,650.00
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John Bartholomew, United States Western Division, 1887£ 62.00
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G. & J. Bartholomew, Western States, 1887£ 52.00
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G.W. & C.B. Colton & Co., Atchison, Topeka and Santa Fe Railroad System, 1889£ 595.00
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United States Geological Survey (USGS), Geology of the Telluride Quadrangle Colorado, 1896£ 495.00
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Gilbert McClurg, Where to Go and How to Get There Map of Colororado Springs and Colorado City, 1901£ 445.00
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C. N. Hoover, Map of the City of Denver, 1906£ 950.00
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Karl Baedeker, Colorado Springs - Pike's Peak, 1909£ 58.00
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Clason Map Co., Prospector's Guide of Colorado, 1920 c.£ 425.00
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Boulder Chamber of Commerce, City Map - Boulder, Colorado, 1930 c.£ 125.00
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Bradford-Robinson Printing Co., Colorful Colorado, 1946£ 495.00
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Daniel-Smith Co., Denver, 1950 c£ 225.00
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Daniel-Smith Co., Guide Map of Metropolitan Denver, 1950 c.£ 295.00
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Hotchkiss Mapping Company, Map of the City of Colorado Springs and Surroundings, 1950 c.£ 395.00