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Wirt quadrangle, Minnesota-Itasca Co. : 7.5 minute series (topographic)
- Author / Creator
- Available as
- Physical
Details
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- Creator
- produced by the U.S. Geological Survey
- Other Title
-
- Filing title: Wirt, Minn
- Format
- Maps, Atlases
- Language
- English
- Publication
-
- Washington, D.C. : U.S. Geological Survey, 1979
- Physical Details
-
- 1 map : color ; 66 x 54 cm
- OCLC
- ocn881824915
- Cartographic Data
-
Scale 1:24,000, Polyconic projection(W 94°00ʹ00ʺ--W 93°52ʹ30ʺ/N 47°45ʹ00ʺ--N 47°37ʹ30ʺ).
- Relief shown by contours and spot heights.
- Includes quadrangle location map and index of adjoining quadrangle names.
- "Topography by photogrammetric methods from aerial photographs taken 1969. Field checked 1970."
- "Modification to USGS base map by the Geometronics Service Center from 1976 aerial photography and 1979 correction guides furnished by the Eastern Region."
- "DMA 7279 III NW--."
- "N4737.5--W9352.5/7.5."