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Dry Screening manganese ore fragments from the soil at the C.F.I. mine, southeast of Green River. Much of the manganese ore produced in this region is found as loose fragments that commonly range in size from that of a peanut to that of a base ball. In places these fragments rather closely pave the surface, generally they are mixed with a foot, more or less, of loose sandy soil. These ore fragments were originally parts of a thin horizontal bed of manganese oxides. Lowering of the surface by erosion, in which wind deflation has played a large part, exposed the manganiferous layer that became broken into fragments but was not comminuted sufficiently to be removed by the wind. As the more friable sandstone that adjoins...
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Tipple and screening plant of Chesterfield Coal Company. Old disused washing house on left (used when mining Palisade zone seam). Sego, Utah in Grand County, Utah. August 11, 1926.
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Farrer Mine, Coal Canyon. Chesterfield coal. Grand County, Utah. September 10, 1925. Plate 4-B in U.S. Geological Survey. Bulletin 852. 1936.
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These layers show the relative abundance of native, non-native and tree cover types as mapped for the Colorado River Conservation Planning Project. Relative abundance (Dominant, Common, Mapped by Sparse and Not Mapped) is determined by the listing of cover types per patch.
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Aerial view of glaciated topography in the La Sal Mountains, Note large moraine in center of photograph, numerous cirques and a rock glacier in center of lower left quadrant, Grand and San Juan Counties, Utah. n,d.
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East wall of the north end of the Salt Valley about 7 miles south-southwest of Thompson; the valley flat in the foreground is largely underlain by the Upper Cretaceous Mancos shale, dropped against the Jurassic formations of the valley walls by a large fault. Morrison formation; Salt Wash sandstone member of the Morrison; Summerville formation; Entrada sandstone; Moab sandstone tongue of the Entrada; Carmel formation; Navajo sandstone; Kayenta sandstone; Wingate sandstone. Grand County, Utah. 1925. Plate 26-A, in U.S. Geological Survey. Professional paper 183. 1936. Plate 5 in U.S. Geological Survey. Bulletin 863. 1935.
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This set of maps shows relative habitat diversity (complexity) as it relates to the number of different dominant cover types are found in 1 hectare, and the number of structural types found in 1 hectare. Component layers are included, as are layers of channel boundaries, reaches, and bottomland kilometers.
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This set of maps shows relative habitat quality for snakes that prefer the rocky outside margin of the bottomland area. Component layers (type and count of cover types, distance to bottomland boundary and distance to permanent water) are included, as are associated layers of channel boundaries, reaches, and bottomland kilometers.
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Sandstone ledges and slopes of the lower part of the Kayenta formation at Big Hole, on the Colorado River 8 miles east of Cisco. The top of the cliff formed by the Wingate sandstone is shown toward the left at the bottom of the picture. Grand County, Utah. November 1927. Plate 8-A, in U.S. Geological Survey. Professional paper 183. Plate 10-B, in U.S. Geological Survey. Bulletin 863, 1935.
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Tipple, screening plant of Chesterfield Mining Company, from across the canyon. Old washing house on right. Tracks from mine are higher in left center. Ballard's prospect appears in upper right at shadow made by massive (Thompson's) sandstone ledge. Shows Palisade coal, Ballard coal, Thompson Canyon sandstone, Chesterfield coal zone, Neslen member. Grand County, Utah. August 11, 1926. Plate 5-A in U.S. Geological Survey. Bulletin 852. 1926.
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This collection of maps shows relative habitat quality for a suite of species that use riparian overstory habitats. Component layers include: tree patch size, presence and complexity of riparian understory, and abundance of tamarisk. Associated layers such as river channels at high flow and bottomland reaches are included for reference.
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Outcrop of coal at entrance to Ballards Mine showing jointing of coal, M.R. Campbell provides scale. Grand County, Utah.n.d. Plate 9-B in U.S. Geological Survey. Bulletin 371. 1909.
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This collection of maps shows fluvial geomorphic features of the Colorado River bottomland including river channel boundaries at high flow (31,300 cubic ft/sec on 06/28/2011 at the Cisco gage) and at lower flow (3,410 cubic ft/sec on 09/06/2010 at the Cisco gage). Also shown is the bottomland boundary delineating the currently active fluvial surface; the bottomland is subdivided by both reaches and bottomland kilometers for reference. Centerlines for the bottomland and 2010 river channel are included, also.
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This set of maps shows relative habitat quality for species that prefer open areas. Component layers (herbacoeus areas, distance to high water) are included, as are associated layers of channel boundaries, reaches, and bottomland kilometers.
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These layers show some of the human interactions with the bottomland area. Recreation sites, roads, fuel treatment areas, and river camp layers were all acquired from project partners or publically available data and clipped to or near the bottomland boundary for use here. Bottomland reaches, kilometers, 2010 channel layers were created for the Colorado River Conservation Planning project.
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This set of maps shows relative habitat quality for riparian understory species, both with and without a penalty applied for abundant tamarisk. Component layers are included, as are complementary layers of channel boundaries, reaches, and bottomland kilometers.
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Intricate cross bedding in the Entrada sandstone, in the northern part of sec. 5, T. 21 S., R. 23 E., about 8 miles northeast of Cisco; the white sandstone at the top is the lower part of the Moab sandstone member. Grand County, Utah. November 1927. Plate 18-D, in U.S. Geological Survey. Professional paper 183. Plate 14-A, in U.S. Geological Survey. Bulletin 863, 1935.


map background search result map search result map Sandstone ledges and slopes of the lower part of the Kayenta formation at Big Hole. Grand County, Utah. 1927. Intricate cross bedding in the Entrada sandstone. Grand County, Utah. 1927. River view in Labyrinth Canyon. Grand and Emery Counties, Utah. circa 1871. The Book Cliffs near Green River. Grand County, Utah. No date. Riparian Overstory Model and Component Layers Riparian Understory Model and Component Layers General Diversity Model and Component Layers Open Land Species Model and Component Layers Rocky Fringe Snakes Model and Component Layers Fluvial Geomorphic Features Native, Non-native and Tree Abundance Human Features on the Colorado River Bottomland General Diversity Model and Component Layers Open Land Species Model and Component Layers Rocky Fringe Snakes Model and Component Layers Riparian Understory Model and Component Layers Riparian Overstory Model and Component Layers Fluvial Geomorphic Features Native, Non-native and Tree Abundance Sandstone ledges and slopes of the lower part of the Kayenta formation at Big Hole. Grand County, Utah. 1927. Intricate cross bedding in the Entrada sandstone. Grand County, Utah. 1927. The Book Cliffs near Green River. Grand County, Utah. No date. Human Features on the Colorado River Bottomland River view in Labyrinth Canyon. Grand and Emery Counties, Utah. circa 1871.