Magnetic Declination in the United States - Epoch 1980
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Map/Doc
92368
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Collection
Twichell Survey Records
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Object Dates
1980 (Creation Date)
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People and Organizations
National Oceanic and Atmospheric Administration (Compiler)
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Subjects
United States
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Height x Width
41.4 x 33.3 inches
105.2 x 84.6 cm
Part of: Twichell Survey Records
[University Lands Blocks 16, 18, 19 and 20]
![91593, [University Lands Blocks 16, 18, 19 and 20], Twichell Survey Records](https://historictexasmaps.com/wmedia_w700/maps/91593-1.tif.jpg)
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[University Lands Blocks 16, 18, 19 and 20]
Size 8.8 x 16.8 inches
Map/Doc 91593
[Texas and Pacific Railway Company, Block 44, Township One South]
![89845, [Texas and Pacific Railway Company, Block 44, Township One South], Twichell Survey Records](https://historictexasmaps.com/wmedia_w700/maps/89845-1.tif.jpg)
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[Texas and Pacific Railway Company, Block 44, Township One South]
Size 42.0 x 59.2 inches
Map/Doc 89845
Sketch of Southwest Corner of Palo Pinto County

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Sketch of Southwest Corner of Palo Pinto County
Size 13.9 x 12.0 inches
Map/Doc 91647
[Worksheets related to the Wilson Strickland survey and vicinity]
![91269, [Worksheets related to the Wilson Strickland survey and vicinity], Twichell Survey Records](https://historictexasmaps.com/wmedia_w700/maps/91269.tif.jpg)
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[Worksheets related to the Wilson Strickland survey and vicinity]
Size 25.7 x 21.7 inches
Map/Doc 91269
[Blk. B, part of Blk. M, and north line of Morris County School Land]
![90359, [Blk. B, part of Blk. M, and north line of Morris County School Land], Twichell Survey Records](https://historictexasmaps.com/wmedia_w700/maps/90359-1.tif.jpg)
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[Blk. B, part of Blk. M, and north line of Morris County School Land]
Size 23.9 x 22.7 inches
Map/Doc 90359
[G. & M. Block 5]
![91802, [G. & M. Block 5], Twichell Survey Records](https://historictexasmaps.com/wmedia_w700/maps/91802-1.tif.jpg)
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[G. & M. Block 5]
Size 20.3 x 12.5 inches
Map/Doc 91802
Map of Dalhart, Dallam & Hartley Co's, Texas

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Map of Dalhart, Dallam & Hartley Co's, Texas
Size 22.7 x 35.2 inches
Map/Doc 92125
[Jose Ostane and Surrounding Surveys]
![91083, [Jose Ostane and Surrounding Surveys], Twichell Survey Records](https://historictexasmaps.com/wmedia_w700/maps/91083-1.tif.jpg)
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[Jose Ostane and Surrounding Surveys]
Size 13.6 x 14.6 inches
Map/Doc 91083
Famous Heights Addition to Amarillo, Potter Co. Texas

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Famous Heights Addition to Amarillo, Potter Co. Texas
Size 18.6 x 10.0 inches
Map/Doc 91744
Working Sketch in Lipscomb County [showing East line of County along border with Oklahoma]
![92083, Working Sketch in Lipscomb County [showing East line of County along border with Oklahoma], Twichell Survey Records](https://historictexasmaps.com/wmedia_w700/maps/92083-1.tif.jpg)
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Working Sketch in Lipscomb County [showing East line of County along border with Oklahoma]
1910
Size 4.9 x 25.9 inches
Map/Doc 92083
Cienega Ranch

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Cienega Ranch
1947
Size 17.5 x 17.1 inches
Map/Doc 92287
G. W. Cochran Farm Section 32, Block JS

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G. W. Cochran Farm Section 32, Block JS
1943
Size 12.6 x 23.4 inches
Map/Doc 92328
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1953
Size 18.4 x 22.6 inches
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Part of Laguna Madre in Cameron County, showing Subdivision for Mineral Development

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Part of Laguna Madre in Cameron County, showing Subdivision for Mineral Development
1963
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1913
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2008
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Wichita County Sketch File 23a

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1911
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University of Texas System University Lands

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1937
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Hardeman County

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Val Verde County Sketch File XXX2

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Sketch G Showing the Progress of the Survey in Section VII From 1849 to 1852

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1852
Size 13.6 x 25.8 inches
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