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  1. Title: Glacial and vegetational history of northeastern Minnesota, SP-11, Plate 2

    Contributors:

    Summary: Pollen diagram (types of pollen in lake sediment) for Jacobson Lake and basal layers of Anderson Lake, Pine County, Minnesota.

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  2. Title: Glacial and vegetational history of northeastern Minnesota, SP-11, Plate 4

    Contributors:

    Summary: Pollen diagram (types of pollen in lake sediment) for Kotiranta Lake, Carlton County, Minnesota.

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  3. Title: Glacial and vegetational history of northeastern Minnesota, SP-11, Plate 5

    Contributors:

    Summary: Pollen diagram (types of pollen in lake sediment) for Rossburg Bog, Aitkin, Minnesota.

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  4. Title: Glacial and vegetational history of northeastern Minnesota, SP-11, Plate 1

    Contributors:

    Summary: Map of part of Northeastern Minnesota showing major geomorphic (glacial) features, scale 1 inch = about 5 miles.

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  5. Title: Glacial and vegetational history of northeastern Minnesota, SP-11, Plate 6

    Contributors:

    Summary: Pollen diagram (types of pollen in lake sediment)for Weber Lake, Lake County, Minnesota.

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  6. Title: Glacial and vegetational history of northeastern Minnesota, SP-11, Plate 3

    Contributors:

    Summary: Seed type diagram for Jacobson Lake and basal layers of Anderson Lake, Pine County, Minnesota.

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  7. Title: Lisbon, Portugal, 1808 (Raster Image)

    Contributors:

    Summary: This layer is a georeferenced raster image of the historic paper map entitled: Grundress von Lissabon 1808, E. Muller jun sc. It was published in [1808]. Scale [ca. 1:34,000]. Covers a portion of Lisbon, Portugal. The image inside the map neatline is georeferenced to the surface of the earth and fit to the European Datum 1950, UTM Zone 29N coordinate system. All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as roads, drainage, built-up areas and selected buildings, fortification, and more. Relief is shown by hachures. Includes location map covering Spain and Portugal and inset view: Ansicht von Lissabon. This layer is part of a selection of digitally scanned and georeferenced historic maps from The Harvard Map Collection as part of the Imaging the Urban Environment project. Maps selected for this project represent major urban areas and cities of the world, at various time periods. These maps typically portray both natural and manmade features at a large scale. The selection represents a range of regions, originators, ground condition dates, scales, and purposes.

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  8. Title: Maps of wind-wave height on Minnesota lake shorelines

    Contributors:

    Summary: This data set provides maps of typical wind-wave height and energy on Minnesota lakes to inform shoreline and near-shore habitat restoration projects. The data set consists of a set of ArcMap shape files which map out simulated wave height and energy parameters for a series of points around the shoreline of 460 lakes in Minnesota, with separate files for annual wave statistics and monthly wave statistics. The wave statistics were calculated for each lake based on airport wind data and the open water distance (fetch) across the lake for each wind direction. Each shapefile contains information on multiple wave statistics, including the mean and significant wave height, the number of days wave height exceeds thresholds, and cumulative wave energy over the time period. There are a total of 11 shapefiles in this data set, including one file for annual wave statistics (Annual_WaveStats), 9 files for monthly wave statistics for April through December (e.g. April_WaveStats.shp) , and a shapefile giving the lake polygons for the 460 Minnesota lakes included in this study (Study_Lakes.shp). Each shapefile is packaged for download in .zip format.

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  9. Title: Map of the Menominee iron district and adjacent territory by Chas. E. Wright; F. H. Brotherton, W. F. Brotherton, topographical assistants; Mathews & Longyear, draughtmen.

    Contributors:

    Summary: Shows geology and mines. Appears in: Michigan. Commissioner of Mineral Statistics. Annual report...for 1880. Lansing, 1881. Includes "Geological cross section A. B. of Menominee and Pine River series." 1 map: col.; 56 x 66 cm

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  10. Title: Hydrogeology of the Paleozoic bedrock in southeastern Minnesota, RI-61, Plate 2

    Contributors:

    Summary: Cross section of Paleozoic bedrock from central Mower County east showing hydrostratigraphic (water bearing rock units) attributes and classification of aquifers and confining units (rock units that prevent water movement in the vertical direction), scale 1 inch = about 7 miles.

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  11. Title: Hydrogeology of the Paleozoic bedrock in southeastern Minnesota, RI-61, Plate 1

    Contributors:

    Summary: Cross section of Paleozoic bedrock from the northern part of the Twin Cities Metropolitan area south to central Mower County showing hydrostratigraphic (water bearing rock units) attributes and classification of aquifers and confining units (rock units that prevent water movement in the vertical direction), scale 1 inch = about 7 miles.

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  12. Title: Geologic atlas of Goodhue County, Minnesota, C-12, Part B, Plate 10, Sinkholes, Sinkhole Probability, and Springs and Seeps

    Contributors:

    Summary: Maps showing distribution of karst (carbonate rock with caves, springs) units and features and karst hydrology in carbonate rocks susceptible to being dissolved by acidic ground water, scale 1:100000, Goodhue County.

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  13. Title: Geologic atlas of Mower County, Minnesota, C-11, Part B, Plate 10, Karst Hydrogeomorphic Units

    Contributors:

    Summary: Maps showing distribution of karst (carbonate rock with caves, springs) units and features and karst hydrology in carbonate rocks susceptible to being dissolved by acidic ground water, scale 1:100000, Mower County.

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  14. Title: Geologic atlas of Wabasha County, Minnesota, C-14, Part A, Plate 5, Karst Features

    Contributors:

    Summary: Maps showing distribution of karst (carbonate rock with caves, springs) rock units and features and karst hydrology, including springs (water emerging from the ground) and stream sinks (water sinking into the ground), in carbonate rocks susceptible to being dissolved by acidic ground water, scale 1:100000, Wabasha County.

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  15. Title: Geologic atlas of Pine County, Minnesota, C-13, Part A, Plate 6, Sinkhole distribution, Depth to Bedrock, and Bedrock Topography

    Contributors:

    Summary: Map showing the thickness (depth to bedrock) of unconsolidated sediments (Quaternary glacial and stream materials) over the bedrock surface and elevation of the bedrock surface (bedrock topography), scale 1:200,000; map showing locations of sinkholes and sinkhole cross sections, scale 1:100,000, Pine County.

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  16. Title: Karst hydrogeology of LeRoy Township, Mower County, Minnesota, OFR97-02

    Contributors:

    Summary: Description of the bedrock geology, karst features and depth to bedrock as it relates to hydrogeology in LeRoy Township of Mower County, Minnesota, Plate 1 Bedrock geology map (39x49 in.), Plate 2 Database and bedrock topography map (25.5x28.5 in.).

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  17. Title: Geologic atlas of Fillmore County, Minnesota, C-8, Part B, Plate 8, Sinkholes and Sinkhole Probability

    Contributors:

    Summary: Map showing location of sinkholes and likelihood of future sinkhole development, scale 1:100,000, Fillmore County.

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  18. Title: Geologic atlas of Fillmore County, Minnesota, C-8, Part B, Plate 9, Springsheds

    Contributors:

    Summary: Map showing the locations of springs and seeps and the interaction of surface drainage, karst (carbonate rock with caves, springs) ground water and subsurface flow, scale 1:100,000, Fillmore County.

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  19. Title: Geologic atlas of Olmsted County, Minnesota, C-3, Plate 7, Sinkhole Probability

    Contributors:

    Summary: Map showing location of sinkholes and likelihood of future sinkhole development, scale 1:100,000, Olmsted County.

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  20. Title: Geologic atlas of Winona County, Minnesota, C-2, Plate 5, Sinkhole Probability

    Contributors:

    Summary: Map showing location of sinkholes and likelihood of future sinkhole development, scale 1:100,000, Winona County.

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