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The table contains oxide and cation compositions of olivine grains from drill core of the Duluth Complex, Minnesota. The oxides were determined by electron probe microanalysis (EPMA) and are reported in weight percent (wt%). The cations were calculated based on the oxide compositions and are reported in mole percent (mol%). Olivine is a magnesium iron orthosilicate mineral with the formula (Mg2+, Fe2+)2SiO4. Olivine forms a solid solution series with magnesium (Mg) at one end and iron (Fe) at the other. Forsterite (Mg2SiO4) is the magnesium endmember and fayalite (Fe2SiO4) is the iron endmember. Minor elements can substitute into the crystal structure, such as manganese (Mn) and nickel (Ni). To better understand...
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This dataset provides a subset of well construction information provided by the driller's well logs. Complete well logs can be accessed on the Minnesota Well Index online (http://www.health.state.mn.us/ divs/eh/cwi/).
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These data represent the air-free pH and specific conductance per pore volume of effluent generated by the phosphate removal column experiment. Solid samples used for the columns are of modern and legacy iron and steel slag from the Chicago-Gary area of Illinois and Indiana, USA.
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This dataset provides aqueous nitrate+nitrite, aqueous manganese, aqueous iron, and total sulfate measurements in groundwater samples from 254 newly constructed private residential wells between 2014 and 2016. The study focuses on three geologically distinct regions of Minnesota: central, northwest, and northeast. These study regions were chosen due to their prevalent elevated As concentrations in drinking water. Each of the 254 wells were sampled in three rounds by the Minnesota Department of Health (MDH). The timing of the three sampling rounds was (1) immediately or shortly after well construction (round 1); (2) 3-6 months after initial sample collection (round 2); and (3) 12 months after initial sample collection...
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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These data were collected using a 1200 kHz TRDI Rio Grande acoustic Doppler current profiler (ADCP) in mode 12 with 25 centimeter bins from a moving boat. The data were georeferenced with a Hemisphere Crescent A100 differential Global Positioning System (GPS) receiver with submeter accuracy. The data have been depth-averaged over the entire measured portion of the water column and temporally averaged over 5-second intervals to reduce noise. These data were collected by the U.S. Geological Survey (USGS) concurrently with environmental DNA (eDNA) sampling in this reach of the Chicago Sanitary and Ship Canal (CSSC) by the U.S. Fish and Wildlife Service (USFWS). Data were processed using the Velocity Mapping Toolbox...


map background search result map search result map Spatial distribution of depth-averaged velocity measured in the Chicago Sanitary and Ship Canal, Chicago, IL (December 7, 2010) USGS Topo Map Vector Data (Vector) 48160 West Chicago, Illinois 20210628 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 2488 Barrington, Illinois 20210628 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 76273 Pigeon Point OE E, Minnesota 20190903 for 7.5 x 7.5 minute FileGDB 10.1 Selected well construction information Oxide and Cation Compositions of Olivine Grains from Drill Core in the Duluth Complex, Minnesota USGS Topo Map Vector Data (Vector) 186 Adel, Georgia 20200915 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 14097 Ellenton, Georgia 20200910 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 25435 Lenox, Georgia 20200914 for 7.5 x 7.5 minute Shapefile USGS US Topo 7.5-minute map for Highland Park OE E, IL 2018 USGS US Topo 7.5-minute map for Hinsdale, IL 2018 USGS US Topo 7.5-minute map for Steger, IL 2018 USGS US Topo 7.5-minute map for Blue Island, IL 2018 Aqueous nitrate+nitrite, aqueous manganese, aqueous iron, and total sulfate data USGS US Topo 7.5-minute map for Jackson Park, IL,IN 2018 USGS US Topo 7.5-minute map for Mokena, IL 2018 Air-free pH and specific conductance measurements for effluent generated during phosphate removal column experiment USGS US Topo 7.5-minute map for Chicago Loop, IL 2021 USGS US Topo 7.5-minute map for Elmhurst, IL 2021 USGS US Topo 7.5-minute map for Wheeling, IL 2021 USGS Topo Map Vector Data (Vector) 48160 West Chicago, Illinois 20210628 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 2488 Barrington, Illinois 20210628 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 76273 Pigeon Point OE E, Minnesota 20190903 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 186 Adel, Georgia 20200915 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 14097 Ellenton, Georgia 20200910 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 25435 Lenox, Georgia 20200914 for 7.5 x 7.5 minute Shapefile USGS US Topo 7.5-minute map for Highland Park OE E, IL 2018 USGS US Topo 7.5-minute map for Hinsdale, IL 2018 USGS US Topo 7.5-minute map for Steger, IL 2018 USGS US Topo 7.5-minute map for Blue Island, IL 2018 USGS US Topo 7.5-minute map for Jackson Park, IL,IN 2018 USGS US Topo 7.5-minute map for Mokena, IL 2018 USGS US Topo 7.5-minute map for Chicago Loop, IL 2021 USGS US Topo 7.5-minute map for Elmhurst, IL 2021 USGS US Topo 7.5-minute map for Wheeling, IL 2021 Spatial distribution of depth-averaged velocity measured in the Chicago Sanitary and Ship Canal, Chicago, IL (December 7, 2010) Air-free pH and specific conductance measurements for effluent generated during phosphate removal column experiment Oxide and Cation Compositions of Olivine Grains from Drill Core in the Duluth Complex, Minnesota Selected well construction information Aqueous nitrate+nitrite, aqueous manganese, aqueous iron, and total sulfate data