Generalized map of northwestern North Dakota and northeastern Montana showing relationship of ice-crack moraines to major elements of the glacial geology.
| Format: | Map |
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| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified],
[1955]
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| Subjects: |
| Item Description: | "Take in part from unpublished maps by Irving J. Witking, Fred S. Jensen, Arthur D. Howard, and Roland C. Townsend. Based also on photointerpretation of high altitude serial photos for the whole area and considerable reconnaissance mapping by Roger B. Colton." "Plate 3." before title. Date determined from Plate 1 map. Cartographic material. |
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| Physical Description: | 1 map ; 38 x 43 cm |