Aeromagnetic map of the McNair-Grand Portage area, northeastern Minnesota /
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| Corporate author / creator: | Geological Survey (U.S.) |
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| Imprint: | Washington, D.C. : The Survey, 1969. |
| Description: | 1 map ; 79 x 138 cm. |
| Language: | English |
| Series: | Geophysical investigations map GP-639 Geophysical investigations (Geological Survey (U.S.)) map GP-639 |
| Subject: | Geomagnetism -- Minnesota -- Cook County -- Maps. Geomagnetism -- Minnesota -- Lake County -- Maps. Geomagnetism. Minnesota -- Cook County. Minnesota -- Lake County. Maps. |
| Cartographic data: | Scale 1:125,000 W 91°15ʹ--W 89°30ʹ/N 48°08ʹ--N 47°15ʹ). |
| Format: | Map U.S. Federal Government Document Print |
| Local Note: | Stored in vertical file. |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/2770672 |
| Item Description: | Relief shown by spot heights. "Aeromagnetic survey flown ... by R. A. Sheddon, 1966. Compilation supervised by C. L. Kruger." Includes inset and index map. |
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| Physical Description: | Scale 1:125,000 W 91°15ʹ--W 89°30ʹ/N 48°08ʹ--N 47°15ʹ). 1 map ; 79 x 138 cm. |