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32 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: Duluth, Minnesota and Vicinity as of 1865

    Contributors:

    Summary: This map of Duluth and the surrounding area as of 1865 was drawn by R.E. Carey based on old records and memoirs. The accompanying booklet, also by Carey, describes historical sites in Duluth, which are number coded on the map. Sites include early houses, a sawmill, a schoolhouse, an early brewery, the Vermilion Trail, and a stone quarry.

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

    Contributors:

    Summary: "Minde data compilation complete through October 1997." "All mine data shown on this map are recompiled by IGS personnel as part of the Coal Mine Information System (CMIS)." Imprint: [Bloomington?] : Indiana Geological Survey, 2000. Scale: 1:400,000; Dimensions: 82 x 44 cm

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  4. Title: Map of Southwestern Indiana showing areas underground mined for coal

    Contributors:

    Summary: Blue line print. Includes location map. Imprint: [Bloomington, IN]: Indiana, Geological Survey, [1986] Dimensions: 93 x 44 cm; Scale: 1:350,000 Coordinates: W0880500 W0861800 N0404200 N0374600

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

    Contributors:

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

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  6. 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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  7. 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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  8. 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.

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  9. 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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  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 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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  12. 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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  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: 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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  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 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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  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: 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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  20. Title: Geologic map of Bean Blossom Valley, Monroe and Brown Counties, Indiana

    Contributors:

    Summary: Relief shown by spot heights. Includes index map. Shows sediments by glacial epoch as well as recent alluvium and colluvium deposits and Meramecian and Osagian bedrock. Also shows water reservoirs, Illinoian and Kansan glacial boundaries, edge of Upland areas, and other geological features. Base modified from Indiana Geological Survey Base Maps nos. 53 (Monroe County) and 7 (Brown County), Corrected to August, 1953. Glacial boundaries modified from Wayne, 1958b, Glacial Geology of Indiana. "Plate No. I." Imprint: [Bloomington, Indiana?] : [Alan Pratt], 1960. Dimensions: 32 x 77 cm, on sheet 52 x 82 cm; Scale: 1:63,360

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