Sanborn maps
Sanborn maps are detailed maps of U.S. cities and towns in the 19th and 20th centuries. Originally published by The Sanborn Map Company (Sanborn), the maps were created to allow fire insurance companies to assess their total liability in urbanized areas of the United States. Since they contain detailed information about properties and individual buildings in approximately 12,000 U.S. cities and towns, Sanborn maps are valuable for documenting changes in the built environment of American cities over many decades.Sanborn held a monopoly over fire insurance maps for the majority of the 20th century, but the business declined as US insurance companies stopped using maps for underwriting in the 1960s. The last Sanborn fire maps were published on microfilm in 1977, but old Sanborn maps remain useful for historical research into urban geography. The license for the maps was acquired by land data company Environmental Data Resources (EDR), and EDR was acquired in 2019 by real estate services company LightBox. Provided by Wikipedia
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121
Del Norte, Rio Grande Co., Col. [insurance map] /
Published 1902“…Sanborn Map Company…”
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122
Del Norte, Rio Grande County, Colorado [insurance map] /
Published 1929“…Sanborn Map Company…”
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Holyoke, Phillips County, Colorado [insurance map] /
Published 1904“…Sanborn Map Company…”
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Holyoke, Phillips County, Colorado [insurance map] /
Published 1911“…Sanborn Map Company…”
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125
Insurance maps of Denver, Colorado : including Spivak.
Published 1930“…Sanborn Map Company…”
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126
Insurance maps of Denver, Colorado.
Published 1929“…Sanborn Map Company…”
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127
Insurance maps of Denver, Colorado.
Published 1929“…Sanborn Map Company…”
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128
Insurance maps of Denver, Colorado.
Published 1929“…Sanborn Map Company…”
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Insurance maps of Denver, Colorado.
Published 1929“…Sanborn Map Company…”
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Insurance maps of Denver, Colorado.
Published 1930“…Sanborn Map Company…”
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Sugar City, Otero Co., Col. [insurance map] /
Published 1905“…Sanborn Map Company…”
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La Fayette [i.e. Lafayette], Boulder Co., Colorado [insurance map] /
Published 1970“…Sanborn Map Company…”
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Lafayette, Boulder County, Colorado [insurance map] /
Published 1970“…Sanborn Map Company…”
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Gunnison, Gunnison County, Colorado [insurance map] /
Published 1902“…Sanborn Map Company…”
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Gunnison, Gunnison County, Colorado [insurance map] /
Published 1910“…Sanborn Map Company…”
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Julesburg, Sedgwick County, Colorado [insurance map] /
Published 1921“…Sanborn Map Company…”
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137
Julesburg, Sedgwick County, Colorado [insurance map] /
Published 1930“…Sanborn Map Company…”
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Limon, Lincoln County, Colorado [insurance map] /
Published 1913“…Sanborn Map Company…”
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139
Insurance maps of Colorado Springs, including Colorado City and Manitou, El Paso County, Colorado /
Published 1907“…Sanborn Map Company…”
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140
Colorado Springs add'l sheet, Sept. 1917 [fire insurance map] /
Published 1917“…Sanborn Map Company…”
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