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Showing 1 to 16 of 16 for “"Little Missouri River"”.
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Bedform and Flow Relationships, Little Missouri River Near Medora, North Dakota
… flow conditions over known bedforms in the Little Missouri River were used to seek relationships between the two. The flow parameters that were measured included: current velocity, depth, water temperature, and suspended-load concentration. A bedload sample was also taken at each bedform. …
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Stream piracy and glacial diversion of Little Missouri River, North Dakota
<p>Bedrock river terraces, as much as 275 to 500 feet above the present Little Missouri, are remnants of a former floodplain. The presence of these former shallow valley floor (Little Missouri Terrace No. 4) along the pre-glacial channel and east and north of the Killdeer Mountains suggests several …
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Groundwater flow in part of the Little Missouri River Basin, North Dakota
<p> The Little Missouri valley in western North Dakota is deeply incised into slightly permeable Mesozoic and Cenozoic sediments. An evaluation of the groundwater flow in part of this valley was 'based on the present groundwater flow-system models. Abrupt changes in the hydrochemical facies have …
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Terrain, Climate, and Vegetation in the Badlands of the Little Missouri River in North Dakota
… mixed grasses; however, in the Badlands of the Little Missouri River, many varieties of plants are encountered. Flora range from desert plants, through mixed grasses, to woodland vegetation of higher elevations. Overall climate is modified into local climates by rough terrain, which provides …
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Annual Erosion of a Small Watershed in the North Dakota Badlands; USA
… all of this sediment traveled directly to the Little Missouri River but we can say the sediment left the drainage basin. Monitoring erosion is important for manmade structures such as the Lake Sakakawea reservoir. Water exiting the badlands complex watersheds contains sediment that has been …
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Mineralogy and chemistry of clay-rich sediments in the contact zone of the Bullion Creek and Sentinel Butte Formations (Paleocene), Billings County, North Dakota
… a boundary marker and is widely exposed in the Little Missouri River badlands. The color boundary is a product of weathering and is not readily apparent in the subsurface. The use of clay mineralogy was investigated as a possible criterion to distinguish between the two formations and provide an …
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An Architectural Analysis of Caddo Structures at the Ferguson Site (3HE63)
… mound. The Ferguson site (3HE63), located in the Little Missouri River basin of Southwest Arkansas, contains architectural remains in Middle Caddo contexts. Many of the structures excavated from within the large platform Mound A and the smaller conical Mound B were burned and buried, resulting in …
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The geology of the Grassy Butte area, McKenzie County, North Dakota
… the eastern two-fifths is an upland plain, the Missouri Plateau.</p> <p>The Tongue River formation, including the Sentinel Butte member, and the Golden Valley formation are exposed at the surface. The Tongue River formation is Paleocene in age. The Golden Valley formation, of Eocene age, was …
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The stratigraphy of the Sperati Point Quadrangle, McKenzie County, North Dakota
… dissected upland plains and, adjacent to the Little Missouri River and tributaries, well dissected, well drained, badland areas characterized by extensive slumping. About 570 feet of the Sentinel Butte Member of the Tongue River Formation of Paleocene age is exposed in the quadrangle. The …
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A stratigraphic and sedimentologic analysis of the Tongue River and Sentinel Butte Formations (Paleocene), western North Dakota
<p> The Tongue River-Sentirel Butte contact has been regarded by many workers as a vague color boundary of minor extent within a relatively homogeneous sequence of Paleocene strata. Consequently, the Sentinel Butte has come to be regarded as a subordinate unit of the ”Tongue River Formation. As …
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Pronghorn Use of Agriculture Land in Northwestern South Dakota
… stockponds or dugouts over creeks and the Little Missouri River and were observed at distances greater than the mean di stance to water from May to August 1990 (P≤ 0.05). Hilltops and flat areas were selected over slopes during all seasonal periods. In all vegetation types, phytomass of …
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Population Status and Characteristics of Macrhybopsis Gelida, Platygobio gracilis and Rhinichthys cataractae in the Missouri River Basin
… gelida were collected at 28 sites on the Powder River (n = 158) in Wyoming and Montana, and at one site on the Yellowstone River (n = 1) in Montana. Age-I, Age-II and Age-III M. gelida were collected. Specimens were 37 to 95 mm in total length. Macrhvbopsis gelida were ripe in mid-June, at water …
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Major and trace element characterization and correlation of the Sentinel Butte Ash/Bentonite (Paleocene), McKenzie County, North Dakota
… by tracing it along the escarpments of the Little Missouri River. The purpose of this study was to determine the geochemical fingerprint for the Sentinel Butte ash/bentonite, and use this fingerprint to assess the correlation value of this and other terrestrial bentonites. Mapping enlarged …
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Depositional environments of a portion of the Bullion Creek Formation (Paleocene), Western Billings County, North Dakota
… 15 square kilometres in the badlands of the Little Missouri River in western Billings County, North Dakota, where approximately the upper 75 metres of the Bullion Creek Formation ls exposed. Twenty nine stratigraphic sections were measured and five lithologies distinguished: sandstone, …
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Petrology of sandstones from the Bullion Creek and Sentinel Butte Formations (Paleocene), Little Missouri Badlands, North Dakota
… Formations were studied from exposures in the Little Missouri River Badlands in Billings, Golden Valley, and McKenzie Counties, North Dakota. Field work was conducted in the summer of 1977. Stratigraphic sections were measured and described from eight localities. Sandstones were sampled at 47 …