| Abstract: | Streamflow characteristics of drainage basins within the Forst Union coal region of southeastern Montana were estimated to provide premining data for evaluating the future effects of mining on the environment. Estimated annual mean streamflow at 22 data-collection stations for water years 1975-77 ranged from 0 to 887 cubic feet per second. These estimates are based on miscellaneous-streamflow records at each station and continuous-streamflow records from other stations in the study area. Estimated mean annual streamflow for a 10-year period (water years 1968-77) ranged from 0 to 572 cubic feet per second. These long-term estimates were based on data from stations in the surrounding area having continuous-streamflow records. Estimates mean annual runoff in inches for selected drainage basins within the study area showed no discernible pattern. Many of the drainage basins had a mean annual runoff of less than 0.60 inch; the maximum observed mean annual runoff was 4.45 inches. (USGS) |
| Genre: | USGS Numbered Series |
| ProdID: | 27066 |
| Citation Author: | Ferreira, Rodger F. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | iv, 21 p. :ill., maps ;28 cm. |
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| Citation Publisher: | U.S. Geological Survey, Water Resources Division, |
| Citation Series: | Water-Resources Investigations Report |
| Citation Series Code: | WRI |
| Citation Series Number: | 81-61 |
| Citation Search Results Text: | Mean annual streamflow of selected drainage basins in the coal area of southeastern Montana; 1981; WRI; 81-61; Ferreira, Rodger F. |
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| Citation Year: | 1981 |
| Type: | citation/reference |
| Text: | Mean annual streamflow of selected drainage basins in the coal area of southeastern Montana; 1981; WRI; 81-61; Ferreira, Rodger F. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/usgs_thumb.jpg |
| Date Other: | Sat, 1 Jan 1994 00:00 -0600 |
| Publisher: | U.S. Geological Survey, Water Resources Division, |
