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This dataset consists of points representing selected well site locations and water-level measurements used by Lopes and Allander (2009) to develop autumn 2006 groundwater-level altitude contours for Smith and Mason Valleys, and the lower Walker River basin, Nevada. Since the publication of Lopes and Allander (2009), the positional coordinates and land-surface altitudes at selected well sites used to develop autumn 2006 groundwater-level contours in that report were updated as part of a 2022 U.S. Geological Survey study (Davies and Naranjo, 2022).
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This dataset consists of a polyline representing a groundwater divide for spring 1972, Smith Valley, Nevada digitized from plate 2 of the 1976 publication: Rush, F.E.,and Schroer, C.V., 1976, Geohydrology of Smith Valley, Nevada with special reference to the water-use period 1953-72: Nevada Department of Conservation and Natural Resources Water Resources Bulletin 43, 43p.
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This data set consists of polylines representing groundwater-level altitude contours, 1982, for middle Humboldt River basin, north-central Nevada as published on plate 2, figure 3 in the U.S. Geological Survey Water-Resources Investigations Report 98-4209 titled "Hydrogeologic framework and ground-water levels, 1982 and 1996, middle Humboldt River basin, north-central Nevada," 1999. A subset of the contours were published as part of a larger data set representing water-table contours for Nevada (Buto and others, 2006). The remaining contours have been added to complete this data set. References Cited Buto, S.G., Evetts, D.M., Smith-Sager, S., 2006, Water-table contours of Nevada, accessed May 16, 2018 at URL https://water.usgs.gov/lookup/getspatial?sir2006-5100_wanv_l.
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These contours represent static groundwater levels based on depth-to-water measurements made at 165 monitoring wells during water years 2016-2020 in Smith Valley and Mason Valley, Nevada. For each monitoring well, the median groundwater-level altitude during the five-year period (2016-2020) was used for developing the groundwater-level contours. Depth-to-water measurements were collected by the USGS and the Nevada Division of Water Resources (NDWR).
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This dataset consists of points representing seepage site locations and discharge measurements as published in appendices 1-3 of the 2013 publication: Plume, R.W., and Smith, J.L., 2013, Properties of basin-fill deposits, a 1971–2000 water budget, and surface-water-groundwater interactions in the upper Humboldt River basin, northeastern Nevada: U.S. Geological Survey Scientific Investigations Report 2013-5077, https://doi.org/10.3133/sir20135077.
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This dataset consists of polylines representing groundwater-level altitude contours for spring 1972, Smith Valley, Nevada, digitized from plate 2 of the 1976 publication: Rush, F.E.,and Schroer, C.V., 1976, Geohydrology of Smith Valley, Nevada with special reference to the water-use period 1953-72: Nevada Department of Conservation and Natural Resources Water Resources Bulletin 43, 43p.
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This data set consists of polylines representing groundwater-level altitude contours, 1996, for middle Humboldt River basin, north-central Nevada as published on plate 2, figure 4 in the U.S. Geological Survey Water-Resources Investigations Report 98-4209 titled "Hydrogeologic framework and ground-water levels, 1982 and 1996, middle Humboldt River basin, north-central Nevada," 1999. A subset of the contours were published as part of a larger data set representing water-table contours for Nevada (Buto and others, 2006). References Cited Buto, S.G., Evetts, D.M., Smith-Sager, S., 2006, Water-table contours of Nevada, accessed May 16, 2018 at URL https://water.usgs.gov/lookup/getspatial?sir2006-5100_wanv_l.
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This data set consists of polygons representing groundwater level declines between 1968 and 1982, Paradise Valley, Humboldt County, Nevada as published on figure 26 in the U.S. Geological Survey Professional Paper 1409-F titled "Ground-water flow and simulated effects of development in Paradise Valley, a basin tributary to the Humboldt River in Humboldt County, Nevada," 1996.
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This data set consists of polylines representing groundwater-level altitude contours, 1968, for Paradise Valley, Humboldt County, Nevada as published on figure 9 in the U.S. Geological Survey Professional Paper 1409-F titled "Ground-water flow and simulated effects of development in Paradise Valley, a basin tributary to the Humboldt River in Humboldt County, Nevada," 1996.
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This dataset represents one of three derived outlets or "pour points" for each 12-digit hydrologic unit (HU12) in the Watershed Boundary Dataset (WBD) snapshot delivered with NHDPlus V2.1. The three related pour point locations, each delivered in a stand-alone dataset, are: "from" (fpp) and "to" (tpp) points that identify the location where flow leaves the HU12 polygon based on a flow direction raster, and a third "vector pour point" (vpp) selected "upstream" used to identify flow confluences near the "from" and "to" pour point locations. The points are derived from the NHDPlus V2.1 flow direction rasters and the WBD snapshot delivered with NHDPlus V2.1. This metadata document describes the "vector" pourpoints (vpp).
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This dataset represents one of three derived outlets or "pour points" for each 12-digit hydrologic unit (HU12) in the Watershed Boundary Dataset (WBD) snapshot delivered with NHDPlus V2.1. The three related pour point locations, each delivered in a stand-alone dataset, are: "from" (fpp) and "to" (tpp) points that identify the location where flow leaves the HU12 polygon based on a flow direction raster, and a third "vector pour point" (vpp) selected "upstream" used to identify flow confluences near the "from" and "to" pour point locations. The points are derived from the NHDPlus V2.1 flow direction rasters and the WBD snapshot delivered with NHDPlus V2.1. This metadata document describes the "from" pourpoints (fpp).
This dataset consists of a polygon representing the approximate maximum extent of Gumboot Lake as published on plate 1 of the report Effects of ground-water development on the water regimen of Paradise Valley, Humboldt County, Nevada, 1948-1968 and Hydrologic Reconnaissance of the Tributary Areas (Nevada Department of Conservation and Natural Resources Water Resources Bulletin 39).
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This data set consists of polylines representing thickness of basin fill contours for Paradise Valley, Humboldt County, Nevada as published on figure 10 in the U.S. Geological Survey Professional Paper 1409-F titled "Ground-water flow and simulated effects of development in Paradise Valley, a basin tributary to the Humboldt River in Humboldt County, Nevada," 1996.
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This data set consists of a polygon representing the study area for Paradise Valley, Humboldt County, Nevada as published in the U.S. Geological Survey Professional Paper 1409-F titled "Ground-water flow and simulated effects of development in Paradise Valley, a basin tributary to the Humboldt River in Humboldt County, Nevada," 1996.
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This USGS data release contains the regional potentiometric contours representing the regional potentiometric surface for Clark County, Nevada, 2009-2015. Contours represent the groundwater-level altitude with a 250-foot contour interval and were created from groundwater elevations from 58 wells and surface elevations from 5 springs.
This dataset consists of three polygons representing approximate elevation-derived extents of Gumboot Lake based on observations published in the report Effects of ground-water development on the water regimen of Paradise Valley, Humboldt County, Nevada, 1948-1968 and Hydrologic Reconnaissance of the Tributary Areas (Nevada Department of Conservation and Natural Resources Water Resources Bulletin 39): 1) based on 1952-1953 lake elevation of 4,320 feet, 2) based on estimated average area value of 2,000 acres, and 3) based on estimated maximum area value of 10,000 acres.
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These contours represent static groundwater levels based on depth-to-water measurements in Smith Valley and Mason Valley, Nevada, for fall 2006. Groundwater-level contours were first published by Lopes and Allander (2009) and subsequently published electronically by Medina and others (2022). Since the time of the dataset's original publication, the position and land-surface altitude at 23 monitoring wells in Smith Valley used to develop the original 2006 groundwater-level contours have been updated. As such, 10 contours in Smith Valley were revised using the updated monitoring well locations and land-surface altitudes while maintaining, to the extent possible, the original interpretation made by Lopes and Allander...
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This dataset consists of points representing selected monitoring well locations and median groundwater-level altitudes for the water year period 1991-1995 that were used to develop groundwater-level contours in Smith and Mason Valleys, Nevada. Groundwater-level measurements were collected by the USGS and the Nevada Division of Water Resources (NDWR).


map background search result map search result map 12-digit hydrologic unit outlet (pour) points for the NHDPlus V2.1 WBD snapshot: "from" pour points (fpp) 12-digit hydrologic unit outlet (pour) points for the NHDPlus V2.1 WBD snapshot: "vector" pour points (vpp) Supplemental Data for: Drilling, Construction, Water Chemistry, Water Levels, and Regional Potentiometric Surface of the Upper Carbonate-Rock Aquifer in Clark County, Nevada, 2009-2015 (1:500,000) Groundwater-level altitude contours, 1968, Paradise Valley, Humboldt County, Nevada (from U.S. Geological Survey Professional Paper 1409-F, figure 9) Groundwater-level declines between 1968 and 1982, Paradise Valley, Humboldt County, Nevada (U.S. Geological Survey Professional Paper 1409-F) Thickness of basin fill, Paradise Valley, Humboldt County, Nevada (U.S. Geological Survey Professional Paper 1409-F) Study area, Paradise Valley, Humboldt County, Nevada (U.S. Geological Survey Professional Paper 1409-F) Groundwater-level altitude contours, 1982, middle Humboldt River basin, north-central Nevada (U.S. Geological Survey Water-Resources Investigations Report 98-4209) Groundwater-level altitude contours, 1996, middle Humboldt River basin, north-central Nevada (U.S. Geological Survey Water-Resources Investigations Report 98-4209) Simulated groundwater elevation contours developed to visualize groundwater-level trends, Eagle, Dayton, and Churchill Valleys, West-Central Nevada Three approximate elevation-derived extents of Gumboot Lake based on observations from the report Effects of ground-water development on the water regimen of Paradise Valley, Humboldt County, Nevada, 1949-1968 and Hydrologic Reconnaissance of the Tributary Areas Approximate maximum extent of Gumboot Lake from plate 1 of the report Effects of ground-water development on the water regimen of Paradise Valley, Humboldt County, Nevada, 1949-1968 and Hydrologic Reconnaissance of the Tributary Areas 04) Groundwater-level contours for Smith Valley and Mason Valley, Nevada, 2020 03) Revised groundwater-level contours for Smith Valley and Mason Valley, Nevada, 2006 Selected well sites used to develop water-table altitude contours in Smith Valley, Mason Valley, and Lower Walker River Basin, Nevada, Autumn 2006 1:24,000-scale hydrographic areas, Walker River Basin, California and Nevada Groundwater-level altitude contours, spring 1972, Smith Valley, Nevada Groundwater divide line, spring 1972, Smith Valley, Nevada 14) Monitoring well locations and median groundwater-level altitudes used to develop groundwater-level contours for Smith Valley and Mason Valley, Nevada, 1995 Seepage site data for the upper Humboldt River Basin, October 2008 and November 2009 Groundwater divide line, spring 1972, Smith Valley, Nevada Three approximate elevation-derived extents of Gumboot Lake based on observations from the report Effects of ground-water development on the water regimen of Paradise Valley, Humboldt County, Nevada, 1949-1968 and Hydrologic Reconnaissance of the Tributary Areas Approximate maximum extent of Gumboot Lake from plate 1 of the report Effects of ground-water development on the water regimen of Paradise Valley, Humboldt County, Nevada, 1949-1968 and Hydrologic Reconnaissance of the Tributary Areas Groundwater-level declines between 1968 and 1982, Paradise Valley, Humboldt County, Nevada (U.S. Geological Survey Professional Paper 1409-F) Groundwater-level altitude contours, 1968, Paradise Valley, Humboldt County, Nevada (from U.S. Geological Survey Professional Paper 1409-F, figure 9) 14) Monitoring well locations and median groundwater-level altitudes used to develop groundwater-level contours for Smith Valley and Mason Valley, Nevada, 1995 Thickness of basin fill, Paradise Valley, Humboldt County, Nevada (U.S. Geological Survey Professional Paper 1409-F) 04) Groundwater-level contours for Smith Valley and Mason Valley, Nevada, 2020 03) Revised groundwater-level contours for Smith Valley and Mason Valley, Nevada, 2006 Study area, Paradise Valley, Humboldt County, Nevada (U.S. Geological Survey Professional Paper 1409-F) Simulated groundwater elevation contours developed to visualize groundwater-level trends, Eagle, Dayton, and Churchill Valleys, West-Central Nevada Selected well sites used to develop water-table altitude contours in Smith Valley, Mason Valley, and Lower Walker River Basin, Nevada, Autumn 2006 Seepage site data for the upper Humboldt River Basin, October 2008 and November 2009 1:24,000-scale hydrographic areas, Walker River Basin, California and Nevada Supplemental Data for: Drilling, Construction, Water Chemistry, Water Levels, and Regional Potentiometric Surface of the Upper Carbonate-Rock Aquifer in Clark County, Nevada, 2009-2015 (1:500,000) Groundwater-level altitude contours, 1996, middle Humboldt River basin, north-central Nevada (U.S. Geological Survey Water-Resources Investigations Report 98-4209) Groundwater-level altitude contours, 1982, middle Humboldt River basin, north-central Nevada (U.S. Geological Survey Water-Resources Investigations Report 98-4209) 12-digit hydrologic unit outlet (pour) points for the NHDPlus V2.1 WBD snapshot: "vector" pour points (vpp) 12-digit hydrologic unit outlet (pour) points for the NHDPlus V2.1 WBD snapshot: "from" pour points (fpp)