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In 1968, the Missouri Geological Survey (MGS) established the Operation Basement program to address three objectives: a) to obtain drill hole and underground mining data relative to the structure...
Search relevance: 1.00 | Views last month: 39 | Catalog Last Checked: May 05, 2026 at 10:03 PM -
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...
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This dataset provides well construction information provided by driller well logs. Well logs can be accessed on the Minnesota Well Index online (http://www.health.state.mn.us/ divs/eh/cwi/).
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 08:50 PM -
This data release provides total and aqueous arsenic (As) determinations and associated field readings collected from groundwater sampled from 254 newly constructed private residential wells from...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 08:15 PM -
The table contains oxide and cation compositions of feldspar grains from drill core of the Duluth Complex. The oxides were determined by electron probe microanalysis (EPMA) and are are reported in...
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A site-specific multilayer perceptron model was developed to classify PlanetScope satellite imagery of Minnesota Point, and the classifier was paired with a shoreline delineation routine to...
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This data release contains 2 shapefiles which include 626 unique shorelines and 3 foredune toes spanning 2016 to 2023 along Minnesota Point, a 9-kilometer long bay-mouth bar at the western end of...
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This table reports major, minor, and trace element compositions of bulk drill core samples from the Duluth Complex, Minnesota. Major elements were measured using wavelength dispersive X-ray...
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The U.S. Geological Survey developed two steady-state finite-difference regional groundwater-flow models using the MODFLOW-NWT computer code. These models simulate flow in the area of historical...
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Modifications were made to an existing Lake Superior topobathy data set to interpolate areas of missing near shore elevation data. Areas with missing elevation data were not interpolated where...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 08:28 PM -
The U.S. Geological Survey (USGS), in cooperation with the Fond du Lac Band of Lake Superior Chippewa (FDLB), Minnesota, analyzed the hydrologic and hydraulic conditions within the Stoney Brook...
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The table contains oxide and cation compositions of pyroxene grains from drill core in the Duluth Complex. The oxides were determined by electron probe microanalysis (EPMA) and are reported in...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 09:12 PM -
A two-dimensional, steady-state groundwater flow model of the St. Louis River Basin (SLRB) was developed using the analytic-element computer code, GFLOW, to provide an understanding of the...
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These data were created as part of the National Oceanic and Atmospheric Administration Office for Coastal Management's efforts to create an online mapping viewer called the NOAA Lake Level Viewer....
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: July 14, 2026 at 09:49 PM -
Modifications were made to an existing Lake Superior topobathy data set to interpolate areas of missing near shore elevation data. Areas with missing elevation data were not interpolated where...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 09:42 PM -
Modifications were made to existing great lakes topobathy data sets to interpolate areas of missing near shore elevation data. Areas with missing elevation data were not interpolated where there...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 07:30 PM -
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...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 09:58 PM -
Data describe environmental DNA (eDNA) concentrations from invasive silver (Hypophthalmichthys molitrix) and bighead carp (H. nobilis), collectively called bigheaded carps (Hypophthalmichthys...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: June 28, 2026 at 07:10 AM
