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1890. Columbia River. Sheet No. 2

  • Columbia River. Sheet No. 2

Columbia River. Sheet No. 2 information:

Year of creation: 
Resolution size (pixels): 
 9177x7775 px
Disk Size: 
 9.44748MiB
Number of pages: 
 1
Place: 
 Washington, D.C.

Print information. Print size (Width x height in inches):
Printing at 72 dpi 
  127.46 х 107.99
Printing at 150 dpi 
 61.18 х 51.83
Printing at 300 dpi 
 30.59 х 25.92

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Columbia River. Sheet No. 2

Detailed chart of the Columbia River, extending from the area near Astoria in the west to Skamokawa in the east.

The chart is based upon Triangulation data compiled in 1852 and 1871, with topographical data compiled in 1868, 1870 and 1871 and Hydrographical data compiled in 1867 and 1868. The chart was first issued in 1875 and revised based upon resurveys in 1885 and 1889.

The United States Office of the Coast Survey began in 1807, when Thomas Jefferson founded the Survey of the Coast. However, the fledgling office was plagued by the War of 1812 and disagreements over whether it should be civilian or military controlled. The entity was re-founded in 1832 with Ferdinand Rudolph Hassler as its superintendent. Although a civilian agency, many military officers served the office; army officers tended to perform the topographic surveys, while naval officers conducted the hydrographic work.

The Survey’s history was greatly affected by larger events in American history. During the Civil War, while the agency was led by Alexander Dallas Bache (Benjamin Franklin’s grandson), the Survey provided the Union army with charts. Survey personnel accompanied blockading squadrons in the field, making new charts in the process.

After the Civil War, as the country was settled, the Coast Survey sent parties to make new maps, employing scientists and naturalists like John Muir and Louis Agassiz in the process. By 1926, the Survey expanded their purview further to include aeronautical charts. During the Great Depression, the Coast Survey employed over 10,000 people and in the Second World War the office oversaw the production of 100 million maps for the Allies. Since 1970, the Coastal and Geodetic Survey has formed part of the National Oceanic and Atmospheric Administration (NOAA) and it is still producing navigational products and services today.


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Item information:

Year of creation:
Size:
9177x7775 px
Disk:
9.44748MiB
Number of pages:
1
Place:
Washington, D.C.
Author:
United States Coast Survey.
$14.99

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