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30 results returned

  1. 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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  2. 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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  3. Title: Map of southwestern Indiana showing areas underground mined for coal

    Contributors:

    Summary: Blue line print. Includes location map. Scale approximately 1:350,000. Compiled by Licia A. Weber, January 1986.

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  4. Title: Map of Princeton, N.J.

    Contributors:

    Summary: Historic Maps copy 1 has ms. annotations in red ink.

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  5. Title: Map illustrative of Allegany and Washington counties

    Contributors:

    Summary: Illustrative map of Allegany and Washington counties,1840. Includes a geological profile of the Cumberland and National roads. 46 x 20.1 cm; 1 images; monochrome

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  6. Title: Map b of Baltimore and Harford counties

    Contributors:

    Summary: Illustrated map of Baltimore and Harford counties, 1839. Map includes some geological information regarding the Chesapeake Bay shores. 49.3 x 34.6 cm; 1 images; monochrome

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  7. Title: Map of Liberia

    Contributors:

    Summary: Extent: 1 map Notes: Relief shown by hachures. Includes inset of: Vicinity of Monrovia / surveyed by J. Ashmun; 1825. Scale 1:760,000

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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: 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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  15. 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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  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: 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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  18. 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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  19. 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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  20. 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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