| Abstract: | A geologic map showing the isopachs of Quaternary deposits in the Fremont and part of the Omaha, Nebraska, 1- by 2-degree quadrangles was published at a scale of 1:250,000 in 1975 (Burchett and others, 1975). This report describes the conversion of Quaternary thickness data into a digital geographic data set. A film separation of the published isopachs was scan-digitized and processed to produce digital geographic data. Geographic feature attributes and data-set documentation also are included in the digital data set. The digital data set are formatted for distribution with accordance with the Spatial Data Transfer Standard approved by the U.S. National Institute of Standards and Technology. |
| Genre: | USGS Numbered Series |
| ProdID: | 24955 |
| Citation Author: | Zelt, R. B.; Patton, E. J. |
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| Citation Edition: | Diskette version. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | 1 computer disk ;3 1/2 in. |
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| Citation Publisher: | U.S. Geological Survey, |
| Citation Series: | Open-File Report |
| Citation Series Code: | OFR |
| Citation Series Number: | 95-721 |
| Citation Search Results Text: | Isopachs of Quaternary deposits, Fremont 1- by 2- degree Quadrangle and part of Omaha Quadrangle, Nebraska, digitized from a published 1:250,000-scale geologic map; 1995; OFR; 95-721; Zelt, R. B.; Patton, E. J. |
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| Citation Year: | 1995 |
| Type: | citation/reference |
| Text: | Isopachs of Quaternary deposits, Fremont 1- by 2- degree Quadrangle and part of Omaha Quadrangle, Nebraska, digitized from a published 1:250,000-scale geologic map; 1995; OFR; 95-721; Zelt, R. B.; Patton, E. J. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/usgs_thumb.jpg |
| Date Other: | Wed, 1 May 1996 00:00 -0500 |
| Publisher: | U.S. Geological Survey, |
