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Geologic Map of Mill Bluff State Park, Monroe and Juneau Counties, Wisconsin
The geologic map of the Mill Bluff State Park provides a detailed look at the bedrock geology present at one of Wisconsin's most cherished natural sites. The map and accompanying report present the Paleozoic bedrock stratigraphy of the visible formations, as well as an interpretation of their depositional environment. This map was created as part of an...-
Geologic Map of Mill Bluff State Park, Monroe and Juneau Counties, Wisconsin
2024
Map: 24 x 36 in, scale 1:12,000
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Wisconsin Groundwater-Level Monitoring Network Improvements, 2020-2022
This report documents work completed as part of a grant from the U.S. Geological Survey's National Groundwater Monitoring Network (NGWMN) program. It provides an overview of the Wisconsin Groundwater-Level Monitoring Network (WGLMN) and provides detailed description of well evaluation and repair activities, and drilling of new monitoring wells across the... -
Geologic Map of the Durwards Glen 7.5-Minute Quadrangle, Columbia and Sauk Counties, Wisconsin
The Durwards Glen 7.5-minute quadrangle map is located in Columbia and Sauk counties, southeast of the city of Baraboo. This geologic map includes Precambrian through Quaternary units. New mapping has focused on subdividing the Baraboo Quartzite into four separate members and delineating Quaternary deposits in greater detail than prior work.-
Geologic Map of the Durwards Glen 7.5-Minute Quadrangle, Columbia and Sauk Counties, Wisconsin
2024
Map: 35 x 40 in, scale 1:24,000
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GIS Data for the Geologic Map of the Durwards Glen 7.5-Minute Quadrangle, Columbia and Sauk Counties, Wisconsin [dataset 1]
2024
GIS Data: GeMS file geodatabase, shapefiles, geopackage, metadata
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Inventory and Analysis of Flowing Artesian Wells in Bayfield County, Wisconsin
This report presents a county-wide inventory of flowing artesian wells in Bayfield County. Flowing artesian wells are a remarkable resource of high-quality water that both community members and tourists value. This report provides baseline water quality data that are a valuable resource for future assessments. Data collection occurred in 2022. Includes... -
Geologic Carbon Sequestration: Assessment of Mid-Continent Rift Core Porosities and Permeabilities in Wisconsin
This report presents results from a study investigating the potential for carbon dioxide sequestration in the ancient Keweenawan sedimentary formations in northern Wisconsin. Bedrock drill core from the Copper Harbor and Nonesuch formations were examined for their properties to store carbon dioxide (Copper Harbor) and seal that carbon dioxide (Nonesuch).... -
Geologic Map of the Dells of the Wisconsin River State Natural Area
The geologic map of the Dells of the Wisconsin River State Natural Area provides a detailed look at the bedrock geology present at one of Wisconsin's most cherished natural sites. The map and accompanying report present the Paleozoic bedrock stratigraphy of the visible formations, as well as an interpretation of their depositional environment. This map...-
Geologic Map of the Dells of the Wisconsin River State Natural Area
2023
Map: 30 x 36 in, scale 1:12,000
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Geologic Map of the Fennimore and Mount Hope 7.5-Minute Quadrangles, Grant County, Wisconsin
The geologic map of the Fennimore and Mount Hope quadrangles includes 1:24,000-scale mapping of both surficial and bedrock geology. The mapping was initiated to support groundwater studies in the area. The map and accompanying report present the Paleozoic bedrock stratigraphy, including structures, as well as data from three new bedrock drill cores...-
Geologic Map of the Fennimore and Mount Hope 7.5-Minute Quadrangles, Grant County, Wisconsin
2023
Map: 50.55 x 36 in, scale 1:24,000
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GIS Data for the Geologic Map of the Fennimore and Mount Hope 7.5-Minute Quadrangles, Grant County, Wisconsin [dataset 2]
2023
GIS Data: GeMS file geodatabase, metadata
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Geologic map of the Stitzer and western part of the Montfort 7.5-minute quadrangles, Grant County, Wisconsin
The geologic map of the Stitzer and western part of the Montfort quadrangles includes 1:24,000-scale mapping of both surficial and bedrock geology. This area occurs at the northern margin of the historic Upper Mississippi Valley lead and zinc mining district. Paleozoic strata are folded into a regionally-significant anticline, and mapping was initiated to...-
Geologic map of the Stitzer and western part of the Montfort 7.5-minute quadrangles, Grant County, Wisconsin
2023
Map: 46.15 in x 36 in, scale 1:24,000
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GIS data for geologic map of the Stitzer and western part of the Montfort 7.5-minute quadrangles, Grant County, Wisconsin [dataset 1]
2023
GIS Data: GeMS file geodatabase, shapefiles, metadata
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Assessing private well contamination in Grant, Iowa, and Lafayette counties: The southwest Wisconsin groundwater and geology study
The southwest Wisconsin groundwater and geology study (SWIGG) was a cooperative effort between Grant, Iowa, and Lafayette county governments, with scientists from the U.S. Geological Survey, U.S. Department of Agriculture, Marshfield Clinic Research Institute, and WGNHS. Researchers tested water quality in hundreds of private water wells across the three...-
Assessing private well contamination in Grant, Iowa, and Lafayette counties: The southwest Wisconsin groundwater and geology study
2023
Report: 47 p. (report) + 24 p. (appendices)
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Evaluating pXRF instrument performance using reference materials
The portable X-Ray Fluorescence (pXRF) instrument provides fast, real-time, non-destructive, multi-element geochemical data (i.e. elemental concentrations) on rocks and minerals at a relatively low cost and with minimal sample preparation. This study quantifies the precision and accuracy of measurements collected by the WGNHS pXRF on reference materials...-
Evaluating pXRF instrument performance using reference materials
2023
Report: 50 p. (report) + 31 p. (appendices)
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Hydrogeology of the sandy uplands of the Bayfield Peninsula, Wisconsin
The sandy uplands of the Bayfield Peninsula are primary contributors to regional groundwater recharge and provide baseflow to streams in the area. Few data exist, however, to characterize upland hydrogeology or its susceptibility to groundwater contamination. Here, data from two new cores and wells, one existing well, and a lake in the sandy uplands...-
Rotosonic core data from the sandy uplands of the Bayfield Peninsula, Wisconsin [dataset 1]
2022
Data: Spreadsheets (.csv)
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Water-level measurements from two monitoring wells in the sandy uplands of the Bayfield Peninsula, Wisconsin [dataset 2]
2022
Data: Spreadsheets (.csv)
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Geologic map of the Bloomington and Brodtville 7.5-minute quadrangles, Grant County, Wisconsin
The geologic map of the Bloomington and Brodtville quadrangles includes 1:24,000 scale mapping of both surficial and bedrock geology. There is little structural folding or faulting in this portion of the Driftless Area. Thus, it is ideal for studying the hydrostratigraphic framework of the mapped units. The accompanying report presents stratigraphic...-
Geologic map of the Bloomington and Brodtville 7.5-minute quadrangles, Grant County, Wisconsin
2022
Map: 41 in x 35 in, scale 1:24,000
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GIS data for the geologic map of the Bloomington and Brodtville 7.5-minute quadrangles, Grant County, Wisconsin [dataset 1]
2022
GIS Data: File geodatabase
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Wisconsin Groundwater-Level Monitoring Network Improvements, 2018-2021
This report documents work completed as part of a grant from the U.S. Geological Survey’s National Groundwater Monitoring Network (NGWMN) program. It provides an overview of the Wisconsin Groundwater-Level Monitoring Network (WGLMN) and provides detailed description of well evaluation and repair activities, and drilling of new monitoring wells across the... -
Geologic map of the Castle Rock and Long Hollow 7.5-minute quadrangles, Grant County, Wisconsin
The geologic map of the Castle Rock and Long Hollow quadrangles includes 1:24,000 scale mapping of both surficial and bedrock geology. The accompanying report presents new observations about bedrock folds and fracture sets in this portion of the Driftless Area that lies just north of the main Upper Mississippi Valley zinc-lead mineral district. The...-
Geologic map of the Castle Rock and Long Hollow 7.5-minute quadrangles, Grant County, Wisconsin (revised 2022)
2022
Map: 48 in x 36 in, scale 1:24,000
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GIS data for the geologic map of the Castle Rock and Long Hollow 7.5-minute quadrangles, Grant County, Wisconsin [dataset 1]
2022
GIS Data: File geodatabase
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Applications of the Columbia County, Wisconsin, Groundwater-Flow Model
Computerized groundwater-flow models provide scientific analysis of water resources. Since its initial development in 2014, the Columbia County groundwater-flow model has been used to respond to requests for information about specific groundwater and land use issues. This companion report to the Hydrogeology and simulation of groundwater flow in Columbia... -
Mineral Assessments for Conservation Easements in Wisconsin
If you’re thinking about donating land as a conservation easement but don’t own the subsurface (known as “severed mineral rights”), then you’ll need an assessment of the land’s mineral potential to determine whether the easement will qualify as a charitable tax deduction. Geologists at the Wisconsin Geological and Natural History Survey perform this... -
Depth-to-Bedrock Mapping in Wisconsin
Depth-to-bedrock maps show the thickness of unconsolidated materials overlying bedrock. These maps provide a key link between the underlying geology, groundwater flow, and land use and are important in guiding activities such as permitting, bridge construction, and the land application of waste products in sensitive areas. Given their role in guiding... -
Depth-to-Bedrock Map of Dodge County, Wisconsin
This map shows thicknesses of deposits of unconsolidated materials above the bedrock. Across the county, depth to bedrock ranges from 0 feet, where bedrock is exposed, to over 250 feet within bedrock valleys. Areas with bedrock depths shallower than 20 feet are of particular importance for land-use planning and to the construction stone industry. Such... -
Florence Iron Mine: Historical Maps Showing Location of Surface Development, Regional Setting, and Underground Workings
From 1880 to 1931, an extensive iron mine operated near the city of Florence in northeast Wisconsin. These 21 maps from its middle years of operation are the only surviving records of what exists below the surface. These maps are of historical interest for their record of surface features that are no longer in existence. They may also have potential...-
Extent of Florence Mine Surface Development in 1903 [plate 1]
2021
Map: 56 in x 35.1 in, scale 1 in = 100 ft
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Florence Mine Surface Development in 1903 With Annotated Shaft Locations [plate 2]
2021
Map: 33.3 in x 38.2 in, scale 1 in = 100 ft
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Mines in the Area Adjacent to the City of Florence in 1928 [plate 3]
2021
Map: 29.7 in x 19.7 in, scale 1 in = 1/4 mile
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Florence Iron Mining District Covering Part of Florence County [plate 4]
2021
Map: 36.3 in x 26.8 in, scale 1 in = 1/2 mile
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Florence Mine Level 1 With Annotated Shaft Locations and Surface Features [plate 5]
2021
Map: 52.8 in x 24.3 in, scale 1 in = 100 ft
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Florence Mine Level 1 (1910), Northwest Ore Zone [plate 7]
2021
Map: 27 in x 19 in, scale 1 in = 60 ft
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Florence Mine Level 2 (1907), Northwest Ore Zone [plate 9]
2021
Map: 27.1 in x 18.8 in, scale 1 in = 60 ft
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Geologic Map of the Baraboo 7.5-Minute Quadrangle, Sauk County, Wisconsin
The Baraboo quadrangle, records where glaciers stopped in the east-central Baraboo Hills. On this map, 1:24,000 scale, Precambrian igneous and metasedimentary rocks are overlain by Paleozoic sedimentary rocks and, more recently, by glacial deposits. Superb exposures of all three can be found in Devils Lake State Park and Parfreys Glen State Natural Area.-
Geologic Map of the Baraboo 7.5-Minute Quadrangle, Sauk County, Wisconsin
2021
Map: 35 in x 37 in, scale 1:24,000
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Publications Catalog
Wisconsin Geological and Natural History Survey
