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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...-
WOFR2021-03 Plate 1: Depth-to-Bedrock Map of Dodge County, Wisconsin
2021
Map: 25 in x 25 in, scale 1:100,000
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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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Geologic Map of the Rock Springs 7.5-Minute Quadrangle, Sauk County, Wisconsin
The Rock Springs quadrangle is located in the western Baraboo Hills of south-central Wisconsin. This map, 1:24,000 scale, conveys the rich Precambrian through Quaternary history present on the ground. Here, ancient rocks metamorphosed and folded and were later displaced by a series of faults. Although never glaciated, an ice sheet 8 kilometers to the east...-
Geologic Map of the Rock Springs 7.5-Minute Quadrangle, Sauk County, Wisconsin
2021
Map: 40 in x 36.5 in, scale 1:24,000
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Bedrock Geology of Dodge County, Wisconsin
Dodge County lies in southeast Wisconsin, an area almost entirely covered by glacial deposits. This map interprets the distribution of the buried bedrock units across the county. Geologist Esther Stewart’s refinement of the bedrock elevation contours may help land-use planners identify areas most susceptible to groundwater contamination from applications...-
Data Accompanying M508: Bedrock Geology of Dodge County, Wisconsin
2021
Data: Tabular data files (Excel)
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Geologic Map of the North Freedom 7.5-Minute Quadrangle, Sauk County, Wisconsin
The North Freedom quadrangle is located on the South Range of the Baraboo Hills in south-central Wisconsin. The Baraboo Hills are recognized for their ecologic and geologic significance, with superb exposure of Precambrian and Paleozoic rocks and Quaternary sediments. Mapping focused on the Precambrian section, building on past work by subdividing and...-
Geologic Map of the North Freedom 7.5-Minute Quadrangle, Sauk County, Wisconsin
2020
Map: Scale 1:24,000, 40 in x 37 in
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Data accompanying M506: Geologic Map of the North Freedom 7.5-Minute Quadrangle, Sauk County, Wisconsin
2020
GIS Data: Geodatabase, metadata
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Hydrogeologic Atlas of Bayfield County, Wisconsin
Analysis of the groundwater resources in Bayfield County, Wisconsin. Includes report, five plates, and digital data.-
Data Accompanying TR005: Hydrogeologic Atlas of Bayfield County, Wisconsin
2019
GIS Data: Geodatabase, metadata
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Plate 1: Generalized Water-Table Elevation Map of Bayfield County, Wisconsin
2019
Plate: 29.5 in x 39.5 in, scale 1:100,000
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Plate 2: Depth to Water Table Map of Bayfield County, Wisconsin
2019
Plate: 29.5 in x 39.5 in, scale 1:100,000
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Plate 3: Depth to Bedrock Map of Bayfield County, Wisconsin
2019
Plate: 29.5 in x 39.5 in, scale 1:100,000
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Plate 4: Groundwater Recharge Map of Bayfield County, Wisconsin
2019
Plate: 29.5 in x 39.5 in, scale 1:100,000
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Plate 5: Groundwater Susceptibility Map of Bayfield County, Wisconsin
2019
Plate: 29.5 in x 39.5 in, scale 1:100,000
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Geochemistry and Mineralogy of the Wonewoc-Tunnel City Contact Interval Strata in Western Wisconsin
Results of regional study characterizing the elemental composition of rocks found at the Wonewoc-Tunnel City contact interval in west-central and southwest Wisconsin.-
Geochemistry and Mineralogy of the Wonewoc-Tunnel City Contact Interval Strata in Western Wisconsin
2019
Report: 28 p. + 5 appendices
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Bedrock Geology of Fond du Lac County, Wisconsin
Two plates showing the bedrock geology and depth to bedrock in Fond du Lac County, Wisconsin. Includes GIS data (shapefiles and grid files).-
Data accompanying M505: Bedrock Geology of Fond du Lac County, Wisconsin
2018
GIS Data: Shapefiles, grid files
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Plate 1. Bedrock Geology Map of Fond du Lac County, Wisconsin
2018
Plate: Scale 1:100,000, 35.75 in x 28.75 in
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Plate 2. Depth to Bedrock Map of Fond du Lac County, Wisconsin
2018
Plate: Scale 1:100,000, 33 in x 19.25 in
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2018 Year in Review
An overview of some of the projects worked on by the Wisconsin Geological and Natural History Survey in 2018. -
Central Sands Lakes Study: Annotated Bibliography
The authors of this open-file report scoured the literature for previous studies about the Central Sands area. This bibliography provides an overview of available research related to the hydrogeologic setting and water-budget components of the Central Sands Lakes Study (CSLS). -
Field Trip: Cambrian and Ordovician Stratigraphy of Southwestern Wisconsin
Field trip route and notes looking at Cambrian and Middle Ordovician rocks of southwestern Wisconsin. -
2017 Year in Review
In 2017, Survey staff worked in 69 Wisconsin counties. We mapped geology, inventoried springs, and created groundwater models. We provide natural resource managers – land and water conservationists, county boards, and water utilities – with the information they need to protect and share their resources. This publication provides a summary of some of the... -
Preliminary Bedrock Geology of Southern Trempealeau County, Wisconsin
This open-file report documents the first year of a two-year mapping project in Trempealeau County, Wisconsin. This preliminary document is being released to encourage input on the mapping methods and map to make the final product as useful as possible. Contains 27-page report, map of southern Trempeleau County, cross section, and photos of drill core.-
Plate 1: Preliminary Bedrock Geology of Southern Trempealeau County, Wisconsin
2018
Plate: 26 in x 30 in, scale 1:100,000
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Plate 2: Preliminary Bedrock Geology of Southern Trempealeau County, Wisconsin
2018
Plate: 27.8 in x 24.85 in
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Industrial Sand Resources of West-Central Wisconsin
Field trip guidebook showcasing four sites in Trempealeau County in west-central Wisconsin. The focus of this trip is on the sandstone formations that are prized for frac sand mining. (A draft of this book was originally prepared for the 2017 American Institute of Professional Geologists (AIPG) Sand Mine Life Cycle Seminar held in Eau Claire, Wisconsin.) -
Elemental Chemostratigraphy of the Cottage Grove Hole MP-18 Core: Implications for Litho- and Hydrostratigraphy in Southcentral Wisconsin
Part of a larger regional study of the Eau Claire Formation, the core, from Dane County, Wisconsin, was tested using a portable x-ray fluorescence (pXRF) elemental analyzer. The report presents the data set and discusses lithologic interpretations, subsurface lithostratigraphic correlations, and hydrostratigraphic frameworks. Includes photos of the core.-
Elemental Chemostratigraphy of the Cottage Grove Hole MP-18 Core: Implications for Litho- and Hydrostratigraphy in Southcentral Wisconsin
2017
Report: 51 p. + data (spreadsheet)
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Sampling Methodologies and Data Analysis Techniques for Geologic Materials Using Portable X-Ray Fluorescence (pXRF) Elemental Analysis
Details the current WGNHS approach to pXRF analysis, including usage guidelines, sample preparation, calibration, and plotting techniques.-
Sampling Methodologies and Data Analysis Techniques for Geologic Materials Using Portable X-Ray Fluorescence (pXRF) Elemental Analysis
2016
Report: 12 pages + 5 appendices
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Bedrock Geology of Wisconsin Postcard
Postcard showing Wisconsin's complex bedrock geology. -
Preliminary Bedrock Geology of Sheboygan County, Wisconsin
Open-file report; contains unpublished data that has not yet been peer-reviewed.-
WOFR2013-03 Dataset 1: GIS Data
2013
GIS Data: GeMS file geodatabase and metadata, supersedes previous shapefile format (DI version 1). Map supersedes WOFR2012-07
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Industrial Sand Potential in Wisconsin: Sandstone at or near the Surface
Shows where sandstone can be found within 100 ft (30 m) of the surface.-
Industrial Sand Potential in Wisconsin: Sandstone at or near the Surface
2013
Map: 21 in x 22.5 in, scale 1:1,000,000
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Publications Catalog
Wisconsin Geological and Natural History Survey
