Browsing by Author "Pettus, Margeurite C."

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    C-44, Geologic Atlas of Isanti County, Minnesota
    (Minnesota Geological Survey, 2017) Chandler, V.W.; Bloomgren, Bruce A.; Pettus, Margeurite C.; Runkel, Anthony C.; Hougardy, Devin D.; Meyer, Gary N.; Hamilton, Jacqueline D.
    A County Geologic Atlas project is a study of a county's geology, and its mineral and ground-water resources. The information collected during the project is used to develop maps, data-base files, and reports. This same information is also produced as digital files for use with computers. The map information is formatted as geographic information system (GIS) files with associated data bases. The maps and reports are also reproduced as portable document files (PDFs) that can be opened on virtually any computer using the free Acrobat Reader from Adobe.com. Due to errors found when work was started for the Part B, hydrogeology part of the Atlas, new sand/till rasters and unit masks have been added to this site in 2022 (Revisions to sand model data 2022).