O'Brien County, Iowa : 1:100 000-scale topographic map / produced by the United States Geological Survey in cooperation with the Iowa Geological Survey.
Corporate Authors: | |
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Language: | English |
Published: |
Reston, Va. : Iowa City, Iowa :
Interior--Geological Survey ; For sale by Iowa Geological Survey,
1987.
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Series: | County map series (topographic)
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Subjects: | |
Genre: | |
Physical Description: | 1 map : color ; 45 x 43 cm, folded to 26 x 11 cm. |
Variant Title: |
O'Brien Co., Iowa |
Cartographic Data: | Scale 1:100,000. 1 cm on the map represents 1 km on the ground ; Universal transverse Mercator projection (W 95°53ʹ--W 95°22ʹ/N 43°16ʹ--N 42°53ʹ). |
Format: | Map |
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