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73 results returned

  1. Title: Boone County, Indiana

    • Cadastral maps
    • 1936
    Contributors:

    Summary: Cadastral map showing landowners. Imprint: [Indiana?] : E.C. Gullion, 1936. Scale: Scale not given.; Dimensions: 43 x 56 cm Coordinates: W0864144 W0861423 N0401050 N0395521

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  2. Title: Solar Insolation, Minnesota] (2006-2012)

    • LiDAR
    • 2015
    Contributors:

    Summary: The Minnesota Solar Suitability Analysis attempts to provide solar insolation analysis for the entire State of Minnesota. As far as we are aware, it is the only project of its scale in existence; similar studies have been limited to metro areas or focus on rooftop insolation. The project's existence is feasible because of statewide, freely available aerial lidar coverage. And the commitment of the team to work long hours on this unfunded project. The project finds itself at the intersection of renewable energy, big data analysis, geospatial technology, and open data availability. This data provides a measure of incedent solar radiation as it is intercepted by the earth surface, or features (such as vegetation and buildings) standing above the earth surface. The data is intended to be used to assess the suitability of a site for solar panel (photovoltaic cell) installations. The analysis used to produce this dataset looks at geographic location, surface slope, surface aspect, and the effects of shading based on local topography and adjacent structures. A digital surface model was generated from raw LiDAR data. Then, using this DSM, an individual locations on a grid surface were assessed for the amount of direct and indirect radiation that reaches the surface. This analysis was conducted at a 1m resolution for the entire state of Minnesota.

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  3. Title: Digital Surface Model [Minnesota] (2006-2012)

    • LiDAR
    • 2015
    Contributors:

    Summary: A 1m resolution digital surface model that was generated from raw lidar data. This dataset was an intermediate product of a process to model potential solar insolation for the state of Minnesota. The Digital Surface Model (DSM) was created to represent the terrain and all object present on that terrain. This included buildings, tree cover, roads, and other natural and human-altered landscapes. In effect, the DSM is a three dimensional representation of Minnesota. It was generated using a Streaming Delauney Triangulation process through rapidlasso's LAStools software package. In this process, triangles are iteratively generated using nearby lidar returns and values for each point are determined by extracting interpolated elevation from the surface of the triangle. The result is a 1 meter resolution raster covering the state. Lidar is a form of active remote sensing technology that uses light pulses, most commonly in the near-infrared wavelengths, to collected surface elevation data. A laser scanner, mounted in an aircraft and combined with high-accuracy GPS, collects light returns that are interpolated into a point cloud. Each point represents one return from a laser pulse. The laser pulse has the ability to penetrate vegetation, multiple laser returns can be gathered for each pulse including the returns from below the vegetation.The accuracy of lidar returns allow for a unique, multi-faceted analytical dataset. The first point returns can be used to interpolate a topology of Minnesota that models the objects (i.e. building, trees, etc) and geography resting upon the terrain. The lidar point files for the state of Minnesota used in the study were collected between 2006 and 2012 through an intergovernmental initiative with the primary object of providing improved elevation data for flood mapping. In some regions, existing lidar data was acquired and transformed to new state standards. Areas where data did not exist or could not be transformed, were collected by contracted vendors. The composite data forms a seamless coverage of the state with a resolutions of at least 1.5 meters. Refer to metadata.html for full details.

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  4. Title: Keyes Landing, Highgate, Vermont, 1836 (Raster Image)

    • Raster data
    • 2007
    Contributors:

    Summary: This layer is a georeferenced raster image of the historic paper map entitled: Map of Keyes Landing on Lake Champlain, Franklin County, State of Vermont, surveyed by Alexr. Martin. It was published in 1836. Scale [ca. 1:2,400]. Covers Keyes Landing in the Highgate Springs, Vermont. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Vermont State Plane Coordinate System (Meters) (FIPS 4400). 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 is a partial cadastral map showing drainage, proposed streets, parks, and property lot numbers and dimensions, selected buildings (store, tavern), and more. 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 map purposes.

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  5. Title: Somerville, Massachusetts, 1852 (Raster Image)

    • Raster data
    • 2006
    Contributors:

    Summary: This layer is a georeferenced raster image of the historic paper map entitled: Map of Somerville, Mass., drawn from actual survey by Martin Draper, Jr. It was published by J.T. Powers & Co.'s Lith. in 1852. Scale [1:9,600]. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Massachusetts State Plane Coordinate System, Mainland Zone (in Feet) (Fipszone 2001). 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, railroads, drainage, public buildings, schools, churches, cemeteries, industry locations (e.g. mills, factories, mines, etc.), private buildings, town boundaries and more. Relief is shown by hachures. This layer is part of a selection of digitally scanned and georeferenced historic maps of Massachusetts 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 (1755-1922), scales, and purposes. The digitized selection includes maps of: the state, Massachusetts counties, town surveys, coastal features, real property, parks, cemeteries, railroads, roads, public works projects, etc.

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  6. Title: Map shewing portion of the west coast of Vancouver Island compiled and drawn by direction of The Honerable G. B. Martin Chief Commissioner of Lands and Works.

    • Not specified
    • 1897
    Contributors:

    Summary: MiU copies annotated to show land ownership. 1 map: col., mounted on cloth; 61 x 86 cm

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  7. Title: Reynolds's map of London with the latest improvements

    • Image data
    • 1853
    Contributors:

    Summary: "The map is divided into half mile squares for the purpose of measuring distance &c." Originally issued with index, folded in covers.

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  8. Title: Plan routier de la ville de Paris et de ses faubourgs: ou se trouvent indiqués tous les changemens opérés jusqu'a ce jour avec les projets d'embellissemens, les nouvles. rues et pts. pour servir de guide aux voyageurs, divise en 12 mairies municipales et par quartiers; revu et corrigé par Adée. Martin.; Nouveau plan de Paris

    • Not specified
    • 1818
    Contributors:

    Summary: Includes index of streets. 1 map: col.; 55 x 78 cm. folded to 16 x 10 cm.

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  9. Title: Missouri-Illinois, Saint Louis quadrangle

    • Not specified
    • 1912
    Contributors:

    Summary: (W 90⁰30ʹ--W 90⁰00ʹ/N 38⁰45ʹ--N 38⁰30ʹ). Relief shown by contours and spot heights. Contour interval 20 feet. Datum is mean sea level. "Surveyed in 1903." 51 x 84 centimeters

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  10. Title: Railroad commissioners' map of Minnesota : corrected to May 1, 1910

    • Not specified
    • 1910
    Contributors:

    Summary: Cartographic Details: Scale approximately 1:633,600. Also shows congressional districts. "Ira B. Mills, Chas. F. Staples, Chas. E. Elmquist, Railroad and Warehouse Commissioners; A.C. Clausen, Secretary; Thos. Yapp, Ass't. Sec'y." Insets: Vicinity of Duluth & Superior, Wis. Scale [1:506,880] -- Vicinity of Saint Paul & Minneapolis. Scale [1:316,800] -- Mesaba Range. Scale [1:506,880] -- Cook County. Scale [1:663,600]. Index on verso. 120 x 74 centimeters

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  11. Title: The enlarged pictorial map of London.

    • Not specified
    • 1909
    Contributors:

    Summary: London (England)--Maps

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  12. Title: Railroad commissioners' map of Minnesota : corrected to May 1, 1908

    • Not specified
    • 1908
    Contributors:

    Summary: Cartographic Details: Scale [1:633,600]. Also shows congressional districts. "Ira B. Mills, C.F. Staples, Wm. E. Young, Railroad and Warehouse Commissioners; A.C. Clausen, Secretary; Thos. Yapp, Ass't. Sec'y." Insets: Vicinity of Duluth & Superior, Wis. Scale [1:506,880] -- Vicinity of Saint Paul & Minneapolis. Scale [1:316,800] -- Mesaba Range. Scale [1:506,880] -- Cook County. Scale [1:663,600]. Index on verso. 120 x 74 centimeters

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  13. Title: Missouri-Illinois, Saint Louis special map

    • Not specified
    • 1904
    Contributors:

    Summary: (W 90⁰25ʹ--W 90⁰05ʹ/N 38⁰44ʹ--N 38⁰31ʹ). Relief shwon by contours and spot heights. Text and ill. on verso. 39 x 47 centimeters

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  14. Title: Railroad commissioners' map of Minnesota corrected to Sept. 1, 1904

    • Not specified
    • 1904
    Contributors:

    Summary: Cartographic Details: Scale [1:633,600]. Also shows congressional districts. "Ira B. Mills, Joseph G. Miller, C.F. Staples, Railroad and Warehouse Commissioners; A.C. Clausen, Secretary." Insets: Vicinity of Duluth & Superior, Wis. Scale [1:506,880] -- Vicinity of Saint Paul & Minneapolis. Scale [1:316,800] -- Mesaba Range. Scale [1:506,880] -- Cook County. Scale [1:663,600]. Index on verso. Index on verso obscured by cloth backing. 120 x 75 centimeters

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  15. Title: Pocket map of the state of Texas : reduced from their original map of the state and

    • Not specified
    • 1879
    Contributors:

    Summary: Shows railroads in Texas and Oklahoma, and forts in Texas, Oklahoma, and part of New Mexico.; "Entered according to Act of Congress in the year 1878 by Chas. W. Pressler & A.R. Langermann in the Office of the Librarian of Congress in Washington D.C."; In lower right margin: Am. Photo-Litho. Co. N.Y. (Osborne's Process). 60 x 63 centimeters,

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  16. Title: Outline map showing a new route from Texas to Fort Yuma, California : for cattle droves and trains en route to California. Prepared under direction from Brevet Major General J.J. Reynolds, Commdg. Department of Texas

    • Image data
    • 1870
    Contributors:

    Summary: Relief shown by hachures. Reference: Wheat (1957-63) v. 5 no. 1216, reprod. opp. p. 277. Historic Maps copy on 2 sheets designed to be joined together.

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  17. Title: Potential Aquifer Recharge Areas: Monterey County, California, 2001

    • Polygon data
    • 2001
    Contributors:

    Summary: This polygon shapefile contains areas for potential recharge of high to moderate infiltration capacity and low to moderate water holding capacity soils that overlie proven alluvial aquifers. These areas include Fort Ord/Seaside, parts of northern Monterey County, Carmel Valley, and the alluvial deposits along the Salinas River. Other areas include the alluvial fan deposits near Arroyo Seco. The alluvial fill in the San Antonio Valley area was also identified as highly favorable for recharge. Overlain on recharge areas are isohyetals (rainfall contours) of average annual precipitation. Blaney (1933) suggested threshold rainfall amounts that must occur to result in meaningful amounts of recharge for semi-arid climates similar to Monterey County. Blaney suggested a value of 17 inches per year of rainfall on native soils and 11 inches per year on irrigated fields. However, Blaney's analysis does not account for the anomalous distributions of annual rainfall (for example, a year where the rainfall total was 9 inches but it all fell in January), modeling efforts have shown the generalization relatively accurate. With the exception of the northern portion of North County and the San Antonio area, most of the identified recharge areas in Monterey County receive less than 17 inches of rainfall. In consideration of Blaney's generalizations, in these areas, even if soils are favorable, recharge from rainfall must be considered a rare occurrence and the importance of these areas as recharge areas is therefore limited. This layer is part of a collection describing Geology resources and constraints Monterey County, California. This map depicts areas of potential aquifer recharge for Monterey County, California. The intended use of this map is to provide a guide for use in regional planning studies of areas that provide recharge to aquifers. Rosenberg, Lewis, I. (2001). Potential Aquifer Recharge Areas: Monterey County, California, 2001. Monterey County (Calif.) Planning Department. Available at: http://purl.stanford.edu/pv123td8279. 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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  18. Title: University of Minnesota, Morris Campus Master Plan map, 1969

    • Not specified
    • 1969
    Contributors:
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  19. Title: Koochiching County, Minnesota

    • Not specified
    • 1928
    Contributors:

    Summary: Shows trunk highways, roads, railroads, schools, and townships. 44 x 44 centimeters

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  20. Title: City of Saint Paul

    • Not specified
    • 1922
    Contributors:

    Summary: Includes a street index. From the Official records in the City Engineer's Office, U.S. Topographic Surveys and Other Sources. Street and public school index in lower margin. Verso of map contains information on St. Paul, including illustrations and a map of downtown St. Paul. Relief shown by hachures. Shows streetcar lines. 59 x 82 centimeters

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