| Abstract: | A set of maps depicting approved boundaries of, and numerical codes for, river-basin units of the United States has been developed by the U.S. Geological Survey. These ‘ State Hydrologic Unit Maps ‘ are four-color maps that present information on drainage, culture, hydrography, and hydrologic boundaries and codes: (1) the 21 major water-resources regions and the 222 subregions designated by the U.S. Water Resources Council; (2) the 352 accounting units of the U.S. Geological Survey ‘s National Water Data Network; and (3) the 2,149 cataloging units of the U.S. Geological Survey ‘s Catalog of Information on Water Data. The maps are plotted on the Geological Survey State base-map series at a scale of 1:500,000 and, except for Alaska, depict hydrologic unit boundaries for all drainage basins greater than 700 mi squared (1,813 km squared). A complete list of all the hydrologic units, along with their drainage areas, their names, and the names of the States or outlying areas in which they reside, is contained in the report. These maps and associated codes provide a standardized base for use by water-resources organizations in locating, storing, retrieving, and exchanging hydrologic data. The Hydrologic Unit Codes shown on the maps have been approved as a Federal Information Processing Standard for use by the Federal establishment. (USGS) |
| Genre: | USGS Numbered Series |
| ProdID: | 11086 |
| Citation Author: | Seaber, P. R.; Kapinos, F. P.; Knapp, G. L. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | 175 p. :ill., maps (some col.) ;28 cm. |
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| Citation Publisher: | U.S. Geological Survey, |
| Citation Series: | Open-File Report |
| Citation Series Code: | OFR |
| Citation Series Number: | 84-708 |
| Citation Search Results Text: | State hydrologic unit maps; 1984; OFR; 84-708; Seaber, P. R.; Kapinos, F. P.; Knapp, G. L. |
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| Citation Year: | 1984 |
| Type: | citation/reference |
| Text: | State hydrologic unit maps; 1984; OFR; 84-708; Seaber, P. R.; Kapinos, F. P.; Knapp, G. L. |
| URL (THUMBNAIL): | http://pubs.usgs.gov/of/1984/0708/report-thumb.jpg |
| URL (DOCUMENT): | http://pubs.usgs.gov/of/1984/0708/report.pdf |
| Date Other: | Sat, 1 Jan 1994 00:00 -0600 |
| Publisher: | U.S. Geological Survey, |
| Superseded by: |
http://pubs.er.usgs.gov/publication/wsp2294
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