Record Display for the EPA National Library Catalog
RECORD NUMBER: 26 OF 497| Main Title | Bedrock topography of northeast Iowa, | ||||||||||||
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| Author | Hansen, Robert E. | ||||||||||||
| Publisher | U.S. Geological Survey, | ||||||||||||
| Year Published | 1975 | ||||||||||||
| OCLC Number | 02858298 | ||||||||||||
| Subjects | Iowa--Maps, Topographic | ||||||||||||
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| Collation | col. map 106 x 135 cm. on 2 sheets fold. in envelope 30 x 24 cm. | ||||||||||||
| Notes | "Prepared in cooperation with the Iowa Geological Survey." Includes text with bibliography. |