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04) Groundwater-level contours for Smith Valley and Mason Valley, Nevada, 2020 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). Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Great Basin, Groundwater, Lyon County, Mason Valley, Nevada, All tags... Smith, Smith Valley, Water-level altitude, Yerington, geoscientificInformation, groundwater, inlandWaters, Fewer tags 12) Groundwater-level change for Smith Valley and Mason Valley, Nevada, 1970-2020, approach 2 This raster dataset represents groundwater-level change from 1970 to 2020 in Smith Valley and Mason Valley, Nevada, calculated using approach 2. For this approach, depth-to-water measurements from 53 monitoring wells, represented as point values, were differenced between 1970 and 2020. Point values of change were interpolated into a raster to calculate valley-wide groundwater-level change. Depth-to-water was measured at the same 53 wells in 1995, 2006, and 2020. Depth-to-water measurements for 1970 were calculated by interpolating groundwater-level contours and extracting point values at the monitoring well locations. Groundwater-level change was estimated using two methods (approach 1 and 2) to address groundwater-level... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Great Basin, Groundwater, Lyon County, Mason Valley, Nevada, All tags... Smith, Smith Valley, Water-level change, Yerington, geoscientificInformation, groundwater, inlandWaters, Fewer tags 11) Groundwater-level change for Smith Valley and Mason Valley, Nevada, 2007-2020, approach 2 This raster dataset represents groundwater-level change from 2007 to 2020 in Smith Valley and Mason Valley, Nevada, calculated using approach 2. For this approach, depth-to-water measurements from 53 monitoring wells, represented as point values, were differenced between 2006 and 2020. Point values of change were interpolated into a raster to calculate valley-wide groundwater-level change. Groundwater-level change was estimated using two methods (approach 1 and 2) to address groundwater-level measurement uncertainty and constrain groundwater-level change estimates. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Great Basin, Groundwater, Lyon County, Mason Valley, Nevada, All tags... Smith, Smith Valley, Water-level change, Yerington, geoscientificInformation, groundwater, inlandWaters, Fewer tags Supplemental Data: Estimated effects of pumping on groundwater storage and Walker River stream efficiencies in Smith and Mason Valleys, west-central Nevada This USGS data release consists of 15 geospatial datasets for Smith Valley and Mason Valley, west-central Nevada, including contours representing groundwater levels based on depth-to-water measurements, groundwater-level change rasters calculated from groundwater-level contours, groundwater-level change rasters calculated from depth-to-water point values, and groundwater monitoring well locations with groundwater-level data used to develop groundwater-level contours. Groundwater-level contours representing conditions in 1970 (Huxel and Harris, 1969; Rush and Schroer, 1976) and 2006 (Lopes and Allander, 2009) were compiled from previous studies and revised with minor adjustments. Two additional groundwater-level... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Great Basin, Groundwater, Hydrology, Lyon County, Mason Valley, All tags... Nevada, Smith, Smith Valley, USGS Science Data Catalog (SDC), Water Resources, Water-level change, Yerington, geoscientificInformation, groundwater, inlandWaters, Fewer tags 03) Revised groundwater-level contours for Smith Valley and Mason Valley, Nevada, 2006 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... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Great Basin, Groundwater, Lyon County, Mason Valley, Nevada, All tags... Smith, Smith Valley, Water-level altitude, Yerington, geoscientificInformation, groundwater, inlandWaters, Fewer tags 07) Groundwater-level change for Smith Valley and Mason Valley, Nevada, 2007-2020, approach 1 This raster dataset represents groundwater-level change from 2007 to 2020 in Smith Valley and Mason Valley, Nevada, calculated using approach 1. For this approach, groundwater-level contours from 2006 and 2020 were interpolated into rasters and differenced to calculate groundwater-level change. Groundwater-level change was estimated using two methods (approach 1 and 2) to address groundwater-level measurement uncertainty and constrain groundwater-level change estimates. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Great Basin, Groundwater, Lyon County, Mason Valley, Nevada, All tags... Smith, Smith Valley, Water-level change, Yerington, geoscientificInformation, groundwater, inlandWaters, Fewer tags 08) Groundwater-level change for Smith Valley and Mason Valley, Nevada, 1970-2020, approach 1 This raster dataset represents groundwater-level change from 1970 to 2020 in Smith Valley and Mason Valley, Nevada, calculated using approach 1. For this approach, groundwater-level contours from 1970 and 2020 were interpolated into rasters and differenced to calculate groundwater-level change. Groundwater-level change was estimated using two methods (approach 1 and 2) to address groundwater-level measurement uncertainty and constrain groundwater-level change estimates. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Great Basin, Groundwater, Lyon County, Mason Valley, Nevada, All tags... Smith, Smith Valley, Water-level change, Yerington, geoscientificInformation, groundwater, inlandWaters, Fewer tags 14) Monitoring well locations and median groundwater-level altitudes used to develop groundwater-level contours for Smith Valley and Mason Valley, Nevada, 1995 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). Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Great Basin, Lyon County, Mason Valley, Nevada, Smith, All tags... Smith Valley, Water-level altitude, Yerington, geoscientificInformation, groundwater, inlandWaters, Fewer tags 02) Groundwater-level contours for Smith Valley and Mason Valley, Nevada, 1995 These contours represent static groundwater levels based on depth-to-water measurements made at 96 monitoring wells during water years 1991-1995 in Smith Valley and Mason Valley, Nevada. For each monitoring well, the median groundwater-level altitude during the five-year period (1991-1995) 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). Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Great Basin, Groundwater, Lyon County, Mason Valley, Nevada, All tags... Smith, Smith Valley, Water-level altitude, Yerington, geoscientificInformation, groundwater, inlandWaters, Fewer tags 10) Groundwater-level change for Smith Valley and Mason Valley, Nevada, 1996-2006, approach 2 This raster dataset represents groundwater-level change from 1996 to 2006 in Smith Valley and Mason Valley, Nevada, calculated using approach 2. For this approach, depth-to-water measurements from 53 monitoring wells, represented as point values, were differenced between 1996 and 2006. Point values of change were interpolated into a raster to calculate valley-wide groundwater-level change. Groundwater-level change was estimated using two methods (approach 1 and 2) to address groundwater-level measurement uncertainty and constrain groundwater-level change estimates. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Great Basin, Groundwater, Lyon County, Mason Valley, Nevada, All tags... Smith, Smith Valley, Water-level change, Yerington, geoscientificInformation, groundwater, inlandWaters, Fewer tags 15) Monitoring well locations and median groundwater-level altitudes used to develop groundwater-level contours for Smith Valley and Mason Valley, Nevada, 2020 This dataset consists of points representing selected groundwater monitoring well locations and median groundwater-level altitudes for the water year period 2016-2020 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). Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Great Basin, Lyon County, Mason Valley, Nevada, Smith, All tags... Smith Valley, Water-level altitude, Yerington, geoscientificInformation, groundwater, inlandWaters, Fewer tags 09) Groundwater-level change for Smith Valley and Mason Valley, Nevada, 1970-1995, approach 2 This raster dataset represents groundwater-level change from 1970 to 1995 in Smith Valley and Mason Valley, Nevada, calculated using approach 2. For this approach, depth-to-water measurements from 53 monitoring wells, represented as point values, were differenced between 1970 and 1995. Point values of change were interpolated into a raster to calculate valley-wide groundwater-level change. Depth-to-water was measured at the same 53 monitoring wells in 1995, 2006, and 2020. Depth-to-water measurements from 1970 were calculated by interpolating groundwater-level contours and extracting point values at the monitoring well locations. Groundwater-level change was estimated using two methods (approach 1 and 2) to address... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Great Basin, Groundwater, Lyon County, Mason Valley, Nevada, All tags... Smith, Smith Valley, Water-level change, Yerington, geoscientificInformation, groundwater, inlandWaters, Fewer tags 06) Groundwater-level change for Smith Valley and Mason Valley, Nevada, 1996-2006, approach 1 This raster dataset represents groundwater-level change from 1996 to 2006 in Smith Valley and Mason Valley, Nevada, calculated using approach 1. For this approach, groundwater-level contours from 1995 and 2006 were interpolated into rasters and differenced to calculate groundwater-level change. Groundwater-level change was estimated using two methods (approach 1 and 2) to address groundwater-level measurement uncertainty and constrain groundwater-level change estimates. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Great Basin, Groundwater, Lyon County, Mason Valley, Nevada, All tags... Smith, Smith Valley, Water-level change, Yerington, geoscientificInformation, groundwater, inlandWaters, Fewer tags 13) Common extent for estimating groundwater-level and groundwater storage-volume change, Smith Valley and Mason Valley, Nevada This polygon represents the areal extent used to estimate groundwater-level and groundwater storage-volume change in Smith Valley and Mason Valley, Nevada. Each groundwater-level dataset used in this study (1970, 1995, 2006, 2020) contained a unique areal extent because the monitoring wells used to create each dataset was different and as a result, the extent of groundwater-level contours differed. Defining a common extent among all datasets was needed to evaluate water-level change and groundwater storage-volume change using a consistent approach. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Great Basin, Groundwater, Lyon County, Mason Valley, Nevada, All tags... Smith, Smith Valley, Water-level change, Yerington, geoscientificInformation, groundwater, inlandWaters, Fewer tags 05) Groundwater-level change for Smith Valley and Mason Valley, Nevada, 1970-1995, approach 1 This raster dataset represents groundwater-level change from 1970 to 1995 in Smith Valley and Mason Valley, Nevada, calculated using approach 1. For this approach, groundwater-level contours from 1970 and 1995 were interpolated into rasters and differenced to calculate groundwater-level change.Groundwater-level change was estimated using two methods (approach 1 and 2) to address groundwater-level measurement uncertainty and constrain groundwater-level change estimates. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Great Basin, Groundwater, Lyon County, Mason Valley, Nevada, All tags... Smith, Smith Valley, Water-level change, Yerington, geoscientificInformation, groundwater, inlandWaters, Fewer tags 01) Revised groundwater-level contours for Smith Valley and Mason Valley, Nevada, 1970 These contours represent static groundwater levels based on depth-to-water measurements in Smith Valley and Mason Valley, Nevada. Groundwater-level contours for Smith Valley were first published by Rush and Schroer (1976) and subsequently published electronically by Welborn and Medina (2022). The Smith Valley groundwater-level contours represent conditions in the spring of 1972. Groundwater-level contours for Mason Valley were first published by Huxel and Harris (1969) and subsequently published electronically by Lopes and others (2006). The Mason Valley groundwater-level contours represent conditions during 1965-1966. The original groundwater-level contours from Smith Valley and Mason Valley (Huxel and Harris,... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Great Basin, Groundwater, Lyon County, Mason Valley, Nevada, All tags... Smith, Smith Valley, Water-level altitude, Yerington, geoscientificInformation, groundwater, inlandWaters, Fewer tags