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  1. Title: Athens, Greece, 1853 (Raster Image)

    Contributors:

    Summary: This layer is a georeferenced raster image of the historic paper map entitled: Athens, from the authorities of Colonel Leake and C.R. Cockerell, Esqre.; drawn by W.B. Clarke, archt. ; engraved by J. Henshall. It was published under the auspices of the Society of the Diffusion of Useful Knowledge [by] George Cox in Jany. 1st, 1853. Scale [ca. 1:8,250]. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Greek Geodetic Reference System (also called the Greek Grid). 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, modern and historic walls, historic roads and routes, selected buildings, historic sites and points of interest, and more. Relief is shown by hachures. Includes illustrations, views, notes, and inset of Acropolis.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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  2. Title: Rome & its environs from a trigonometrical survey

    Contributors:

    Summary: Cover title: Gell's topography of Rome. Relief shown by hachures. Place names in Italian and Latin. Originally issued folded in cover 23 x 15 cm.

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  3. Title: Map of Maryland Showing the Geological Formations and Agricultural Soils, 1907

    Contributors:

    Summary: This is a scanned version of the 1907 paper map entitled: Map of Maryland Showing the Geological Formations and Agricultural Soils. The map was scanned at 300 dots per inch and is in the TIFF format.

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  4. Title: Bath Region, England, 1744 (Raster Image)

    Contributors:

    Summary: This layer is a georeferenced raster image of the historic paper map entitled: An actual survey of the city of Bath, in the county of Somerset, and of five miles round : wherein are laid down all the villages, gentlemen's seats, farm houses, roads, high-ways, rivers, water courses, & all things worthy of observation, survey'd by Tho. Thorpe in the year 1742 ; engrav'd by James Cole. It was published by Thomas Thorpe, and Mr. Leake & Mr. Frederick Booksellers in 1743/4 [i.e. 1744]. Scale [ca. 1:16,300]. Covers the Bath Region, England.The image inside the map neatline is georeferenced to the surface of the earth and fit to the 'British National Grid' 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, selected names of landowners, ground cover, parks, and more. Relief shown by hachures. Includes also index and a list of subscribers.This layer is part of a selection of digitally scanned and georeferenced historic maps from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of originators, ground condition dates, scales, and map purposes.

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

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

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

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

    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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  9. Title: Boone County, Indiana

    Contributors:

    Summary: Cadastral map showing landowners. Scale not given. Drawn by Chas. Martin.

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  10. 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.

    Contributors:

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

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

    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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  12. 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

    Contributors:

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

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  13. Title: Potential Aquifer Recharge Areas: Monterey County, California, 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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  14. Title: Koochiching County, Minnesota

    Contributors:

    Summary: Shows trunk highways, roads, railroads, schools, and townships. 44 x 44 centimeters Scale approximately 1:254,000 Minnesota County Maps, Plat Books, and Atlases

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  15. Title: City of Saint Paul

    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 1:20,000 Minneapolis and St. Paul Maps and Atlases

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  16. Title: Railroad commissioners' map of Minnesota, 1922

    Contributors:

    Summary: Cartographic Details: Scale approximately 1:633,600. 1 in . = 10 mi (W 97°--W 91°/N 50°--N 44°). Includes index on verso. Includes color key showing "Mileage steam railroads Dec. 31, 1921," "Terminal and transfer railways," "Electric interurban lines," and "Location of depots in St. Paul, Minneapolis and Duluth and railroads using the same." "Congressional districts are outlined and numbered in purple."Signed: M. J. Grindhem, Del. Mesabi Range -- St. Paul-Minneapolis and vicinity -- Duluth-Superior and vicinity -- Cook County, northeastern Minnesota. 122 x 78 centimeters Scale approximately 1:633,600. 1 inch = 10 miles Minnesota Transportation Maps

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  17. Title: Highway map of Ramsey and Dakota Counties : showing adjoining portion of Washington, Hennepin, Anoka, Scott, Rice, and Goodhue

    Contributors:

    Summary: Cartographic Details: Scale [1:84,480]. 99 x 66 centimeters Scale [1:84,480] Minnesota County Maps, Plat Books, and Atlases

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  18. Title: Central and sectional headquarters of Citizens' Influenza Committee

    Contributors:

    Summary: Cartographic Details: Scale approximately 1:13,000. Title in upper margin. Relief shown by hachures. Shows St. Paul city ward boundaries and the committee's headquarters. 79 x 111 centimeters 1:13,000 Minneapolis and St. Paul Maps and Atlases

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  19. Title: Map showing lands belonging to the St. Paul and Duluth Railroad Company, August 1st 1889

    Contributors:

    Summary: 89 x 78 centimeters General Minnesota Maps

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  20. Title: Map of Indianapolis

    Contributors:

    Summary: Includes names of railroad lines.; Shows boudaries for nine sections of town. Scale not given.

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