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28 results returned

  1. Title: Geologic map of the Gunflint Lake quadrangle, Cook County, Minnesota, M-42

    Contributors:

    Summary: Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Gunflint Lake quadrangle, scale 1:24,000.

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  2. Title: Geologic map of the Hungry Jack Lake quadrangle, Cook County, Minnesota, M-39

    Contributors:

    Summary: Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Hungry Jack Lake quadrangle, scale 1:24,000.

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  3. Title: Geologic map of the South Lake quadrangle, Cook County, Minnesota, M-38

    Contributors:

    Summary: Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the South Lake quadrangle, scale 1:24,000.

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  4. Title: Drainage Canals in Southeast Asian Peatland, Index Map

    Contributors:

    Summary: This polygon shapefile is an index to the Drainage Canals in Southeast Asian Peatland dataset. Dadap, Nathan C and Hoyt, Alison M and Cobb, Alexander R and Oner, Doruk and Kozinski, Mateusz and Fua, Pascal V and Rao, Krishna and Harvey, Charles F and Konings, Alexandra G. "Drainage Canals in Southeast Asian Peatlands Increase Carbon Emissions." Earth and Space Science Open Archive (2021). Available at: https://doi.org/10.1002/essoar.10505767.1 Doruk Oner and Mateusz Koziński and Leonardo Citraro and Nathan C. Dadap and Alexandra G. Konings and Pascal Fua. "Promoting Connectivity of Network-Like Structures by Enforcing Region Separation." arXiv (2020). Available at: https://arxiv.org/abs/2009.07011v1 This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.

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  5. Title: Springer Lab UAV Maize Phenotyping Project at UMN Saint Paul: 2018 and 2019 {Minnesota}

    Contributors:

    Summary: This dataset provides a valuable resource for evaluating the utility of unmanned aerial vehicles to collect phenotypic data in agricultural fields. Many flights throughout the growing season of a maize experiment were conducted and this dataset includes digital elevation models generated from images within these flights, the plot boundary shapefiles for plot identification, plant height values extracted following Tirado et al., 2019 procedure, hand measurement height values conducted following flights, and yield data for each plot. This maize experiment consisted of twelve hybrids planted at three different planting densities (low, medium and high) and two planting dates (early and late) across two years and therefore provides a valuable resource for evaluating how temporal data collected from UAVs can aid in assessing plant productivity. It can also be utilized to develop and test different protocols for plant height extraction from DEMs at different growth stages as the hand measurements can be used to test the accuracy. Files include digital elevation models for all flights of our maize field in the summer of 2018 and 2019, the plot boundary shapefiles, information on each plot including planting date and density and stand counts, yield data for all plots, and weather station data for both summers. More detailed info can be found in the readme file.

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  6. Title: Map of southwestern Indiana showing locations of surface and underground coal mines

    Contributors:

    Summary: Compilation complete through October 1997.' 'Base map digitized from 1:500,000 scale, 1978 U.S. Geological Survey map of Indiana.' Includes text and location map. Scale 1:400,000. Compiled by Nathan Eaton and Licia Weber.

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  7. Title: New England, 1826 (Raster Image)

    Contributors:

    Summary: This layer is a georeferenced raster image of the historic paper map entitled: A map of the New England states : Maine, New Hampshire, Vermont, Massachusetts, Rhode Island & Connecticut, with the adjacent parts of New York & lower Canada, compiled and published by Nathan Hale ; engraved by J.V.N. Throop. It was published by in 1826. Scale [ca. 1:506,880]. Covers also a portion of the state of New York and the province of Quebec, Canada. The image inside the map neatline is georeferenced to the surface of the earth and fit to the USA Contiguous Albers Equal Area Conic projection (Meters). 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, or other information associated with the principal map. This map shows features such as roads, churches, drainage, state, county, and town boundaries, and more. Relief shown by hachures. Includes inset: Northern & eastern part of Maine and part of lower Canada and New Brunswick. Scale [ca. 1:1,267,200]. This layer is part of a selection of digitally scanned and georeferenced historic maps of New England from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of regions, originators, ground condition dates, scales, and purposes.

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  8. Title: Soil Expansive

    Contributors:

    Summary: Expansive Soils are defined as Maximum Measured Shrink-Swell Potential and were grouped by consultant Sean Wilson, geologist. Data originates from the NRCS Soils data known within the County of Marin GIS database as Soils. NRCS soils were downloaded from ftp://ftp.tfw.nrcs.usda.gov/pub/ssurgo/online98/data/ca041/ . This data set is a digital soil survey and generally is the most detailed level of soil geographic data developed by the National Cooperative Soil Survey. The information was prepared by digitizing maps, by compiling information onto a planimetric correct base and digitizing, or by revising digitized maps using remotely sensed and other information. This data set consists of georeferenced digital map data and computerized attribute data. The map data are in a soil survey area extent format and include a detailed, field verified inventory of soils and miscellaneous areas that normally occur in a repeatable pattern on the landscape and that can be cartographically shown at the scale mapped. A special soil features layer (point and line features) is optional. This layer displays the location of features too small to delineate at the mapping scale, but they are large enough and contrasting enough to significantly influence use and management. The soil map units are linked to attributes in the National Soil Information System relational database, which gives the proportionate extent of the component soils and their properties.

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  9. Title: Geologic atlas of Stearns County, Minnesota, C-10, Part B, Plate 10, Sensitivity of Ground-Water Systems to Pollution

    Contributors:

    Summary: Map showing the susceptibility of the ground water system (bedrock and unconsolidated sediments) to contamination, including the age of the water as determined from radioactive isotopes in the water, scale 1:100,000, Stearns County.

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  10. Title: Geologic atlas of Stearns County, Minnesota, C-10, Part B, Plate 9, Hydrogeology of the Quaternary Confined Aquifers and Bedrock Aquifers

    Contributors:

    Summary: Maps showing ground water resources and aquifer characteristics of confined Quaternary aquifers (aquifer surrounded by water impermeable material, usually clayey glacial till) and bedrock aquifers, scale 1:100,000, Stearns County.

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  11. Title: Geologic atlas of Stearns County, Minnesota, C-10, Part B, Plate 8, Hydrogeology of the Quaternary Water-Table System

    Contributors:

    Summary: Maps showing ground water resources and aquifer characteristics in the bedrock and unconsolidated sediments (glacial and stream sediments) overlying the bedrock and interactions between surface and bedrock aquifers, scale 1:100,000, Stearns County.

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  12. Title: Geologic atlas of Fillmore County, Minnesota, C-8, Part B, Plate 6, Bedrock Hydrogeology

    Contributors:

    Summary: Maps showing where and how much ground water may be present and aquifer characteristics of the bedrock geologic units, scale 1:100,000, Fillmore County.

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  13. Title: Geologic atlas of Fillmore County, Minnesota, C-8, Part B, Plate 7, Pollution Sensitivity

    Contributors:

    Summary: Map showing the susceptibility of the ground water system (bedrock and unconsolidated sediment aquifers) to contamination, scale 1:100,000, Fillmore County.

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  14. Title: Shorter contributions to the geology of the Sioux Quartzite (early Proterozoic), southwestern Minnesota, RI-32, Plate 1

    Contributors:

    Summary: Generalized interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the North Limb, Cottonwood County Basin, Jeffers-Comfrey area, Minnesota, scale 1:48,000.

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  15. Title: Shaded relief aeromagnetic anomaly map of northeastern and east-central Minnesota, M-53

    Contributors:

    Summary: Aeromagnetic anomaly map, (relative to the earth's magnetic field, interpretation of magnetic data collected from airborne surveys, the map colors indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth, shaded-relief (psuedo 3d), northeastern and east-central Minnesota, scale 1:1,000,000.

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  16. Title: Geologic map of the Long Island Lake quadrangle, Cook County, Minnesota, M-46

    Contributors:

    Summary: Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Long Island Lake quadrangle, scale 1:24,000.

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  17. Title: General map of rainfall and temperature of Wisconsin, 1882

    Contributors:

    Summary: Relief shown with form lines. Includes cross-sections: On E.E. -- On C.D. -- On A.B. "Plate No. IIC." "The Milwaukee Litho. & Engr. Co." 68 x 58 centimeters Scale approximately 1:960,000 General Map Collection

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  18. Title: Map of a portion of British Columbia showing the coalfields of Comox, Nanaimo & Cowitchin on Vancouver and adjacent islands and the distribution of the cretaceous coal bearing rocks also the tertiary rocks of Sooke & Burrard Inlet, to illustrate the report of Mr. James Richardson; compiled & drawn by R. Barlow, Ch. Draftsn., Geo. Sur.

    Contributors:

    Summary: Greenwich prime meridian. Relief shown by hachures and spot heights. Includes 3 profiles. 1 map: col.; 77 x 88 cm

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  19. 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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  20. 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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