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  1. Title: Precambrian geology and geochronology of Minnesota, Bulletin 41, Plate 1

    Contributors:

    Summary: Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of northeastern Minnesota, scale 1 inch = about 15 miles.

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  2. Title: Precambrian geology and geochronology of Minnesota, Bulletin 41, Plate 5

    Contributors:

    Summary: Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Granite Falls area, Minnesota, showing locations of dated samples, scale 1 inch = about 1/4 mile.

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  3. Title: Precambrian geology and geochronology of Minnesota, Bulletin 41, Plate 4

    Contributors:

    Summary: Map of western part of the Lake Superior region, Minnesota, showing location of samples that were age-dated by radioactive isotope methods, scale 1 inch = about 40 miles.

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  4. Title: Precambrian geology and geochronology of Minnesota, Bulletin 41, Plate 2

    Contributors:

    Summary: Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of east-central Minnesota, scale 1 inch = about 10 miles.

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  5. Title: Precambrian geology and geochronology of Minnesota, Bulletin 41, Plate 3

    Contributors:

    Summary: Map of the Minnesota-Ontario border region, showing location of dated samples, scale 1 inch = about 20 miles.

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  6. Title: Philadelphia, Pennsylvania, 1794 (Raster Image) (Image 1 of 2)

    Contributors:

    Summary: This layer is a georeferenced raster image of the historic paper map entitled: To Thomas Mifflin, governor and commander in chief of the state of Pennsylvania, this plan of the city and suburbs of Philadelphia is respectfully inscribed by the editor, 1794, A.P. Folie del. ; R. Scot & S. Allardice sculpsit. It was published in 1794. Scale [ca. 1:6,800]. This layer is image 1 of 2 total images of the two sheet source map. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Pennsylvania South State Plane Coordinate System NAD83 (in Feet) (Fipszone 3702). 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, selected public and private buildings, and more. Relief is shown by hachures. Includes index to points of interest, ill., and coat of arms held by two female figures. 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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  7. Title: Philadelphia, Pennsylvania, 1794 (Raster Image) (Image 2 of 2)

    Contributors:

    Summary: This layer is a georeferenced raster image of the historic paper map entitled: To Thomas Mifflin, governor and commander in chief of the state of Pennsylvania, this plan of the city and suburbs of Philadelphia is respectfully inscribed by the editor, 1794, A.P. Folie del. ; R. Scot & S. Allardice sculpsit. It was published in 1794. Scale [ca. 1:6,800]. This layer is image 2 of 2 total images of the two sheet source map. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Pennsylvania South State Plane Coordinate System NAD83 (in Feet) (Fipszone 3702). 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, selected public and private buildings, and more. Relief is shown by hachures. Includes index to points of interest, ill., and coat of arms held by two female figures. 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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  8. Title: Distribution of sinkholes and sinking-stream basins with locations of cave openings in Central Southern Indiana

    Contributors:

    Summary: This map data was compiled in 1997 from information available at the time, but was unpublished until until 2002; the map does not reflect any changes in data since 1997.' Includes location map and text. Scale 1:250,000. By Richard L. Powell, Samuel S. Frushour, and Denver Harper; drafted By Rea Williams Kersey.

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  9. Title: Map showing selected subsurface dye traces in south-central Indiana

    Contributors:

    Summary: Digital cartogrpahy by Kimberly H. Sowder.' Includes text, index map, location map, and 'Sources of subsurface dye trace information.' Scale 1:500,000. By Samuel S. Frushour, Denver Harper, and Christopher R. Dintaman.

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  10. Title: A large Draught of the Mallabar coast : from Bassalore to Cape Comaroone.

    Contributors:

    Summary: Cartographic Details: Scale approximately 1:1,250,000 ; (E 74°18'00"--E 77°39'00"/N 13°25'00"--N 7°59'00"). Depths shown by soundings. Likely from: Sea-Atlas by Samuel Thornton. In corner on verso: 24. Oriented with north to the left. Flags indicate which nations have factories along the coast. 43 x 53 centimeters Scale approximately 1:1,250,000 Ames Library of South Asia Maps

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  11. Title: Philadelphia, Pennsylvania and vicinity, 1896 (Raster Image)

    Contributors:

    Summary: This layer is a georeferenced raster image of the historic paper map entitled: Philadelphia and vicinity : Pennsylvania and New Jersey. It was published by the U.S. Geological Survey in 1896. Scale 1:62,500. Covers Philadelphia and portions of surrounding counties. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Pennsylvania South State Plane Coordinate System NAD83 (in Feet) (Fipszone 3702). 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. USGS maps are typical topographic maps portraying both natural and manmade features. They show and name works of nature, such as mountains, valleys, lakes, rivers, vegetation, etc. They also identify the principal works of humans, such as roads, railroads, boundaries, transmission lines, major buildings, etc. Relief is shown with standard contour intervals of 20 feet. 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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  12. Title: A geological map of Iowa, 1904

    Contributors:

    Summary: 1 map Scale not given.

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  13. Title: The tourist's pocket map of Michigan

    Contributors:

    Summary: Extent: 1 map Notes: Shows stage roads. Relief shown by hachures. Prime meridian: Washington. Inset: The North west part of Michigan. Includes tables of steam boat routes. Scale approximately 1:1,640,000

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  14. Title: European Russia

    Contributors:

    Summary: Relief shown by hachures. Shows railroads, roads, cities and towns. Index lists government divisions and their corresponding colors. In lower margin: 18. Probably issued in: Mitchell's new general atlas. Philadelphia : Wm. M. Bradley & Bros., 1884.

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  15. Title: Minnesota, and Dacotah

    Contributors:

    Summary: Covers Minnesota and eastern Dakota Territory.; Relief shown by hachures.; Shows Minnesota counties as of 1861, towns and cities, railroads, and natural features.; At base of map: "Entered according to Act of Congress in the year 1860 by S. Augustus Mitchell Jr. in the Clerks Office of the District Court of the U.S. for the Eastern District of Pennsylvania."; In lower right margin: 38.; Probably detached from an atlas in which map occupies plate no. 38.; Prime meridians: Greenwich and Washington, D.C. 24 x 30 centimeters Scale approximately 1:3,433,000 General Minnesota Maps

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  16. Title: Map of Africa Showing its most Recent Discoveries (Raster Image)

    Contributors:

    Summary: This layer is a georeferenced raster image of a continental map of Africa from 1881. This map shows the expedition routes of Stanley and Livingstone and contains an inset depicting the Island of St. Helena (place where Napoleon was buried). This map was georeferenced using a Sinusoidal projection. 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 historic paper map provides an historical perspective of the cultural and physical landscape during this time period. The wide range of information provided on these maps make them useful in the study of historic geography. As this map has been georeferenced, it also can be used as a background layer in conjunction with other GIS data. The horizontal positional accuracy of a raster image is approximately the same as the accuracy of the published source map. The lack of a greater accuracy is largely the result of the inaccuracies with the original measurements and possible distortions in the original paper map document. There may also be errors introduced during the digitizing and georeferencing process. In most cases, however, errors in the raster image are small compared with sources of error in the original map graphic. The RMS error for this map is 1539.89 meters. This value describes how consistent the transformation is between the different control points (links). The RMS error is only an assessment of the accuracy of the transformation. Mitchell, S. Augustus, Wellington, Williams, and Stanford Geospatial Center. (2013) Map of Africa Showing its most Recent Discoveries (Raster Image). Stanford Digital Repository. Available at: http://purl.stanford.edu/px984sn6906. For more information about Stanford's Maps of Africa Collection, see here: https://exhibits.stanford.edu/maps-of-africa. 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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  17. Title: North America, 1856 (Image 2 of 4) (Raster Image)

    Contributors:

    Summary: This layer is a georeferenced raster image of the historic paper map entitled: Mitchell's new national map exhibiting the United States : with the north American British provinces, Sandwich Islands, Mexico and Central America, together with Cuba and other West India Islands, engraved by W. Williams, map engraver, Philadelphia. It was published by S. Augustus Mitchell in 1856. Scale [ca. 1:2,500,000]. This layer is image 2 of 4 total images, representing the southeast portion of the four sheet source map. The image inside the map neatline is georeferenced to the surface of the earth and fit to the North America Lambert Conformal Conic projection. 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 drainage, cities and other human settlements, roads, railroads, territorial and administrative boundaries, shoreline features, and more. Relief shown by hachures. Includes tables and inset maps: Map of the Sandwich Islands discovered by Capt.n Cook in 1778 -- Map of the world on the Mercator projection exhibiting the American continent as its centre -- Map of the world on the Globular projection exhibiting the eastern and western Hemispheres.This layer is part of a selection of digitally scanned and georeferenced historic maps of North America 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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  18. Title: North America, 1856 (Image 3 of 4) (Raster Image)

    Contributors:

    Summary: This layer is a georeferenced raster image of the historic paper map entitled: Mitchell's new national map exhibiting the United States : with the north American British provinces, Sandwich Islands, Mexico and Central America, together with Cuba and other West India Islands, engraved by W. Williams, map engraver, Philadelphia. It was published by S. Augustus Mitchell in 1856. Scale [ca. 1:2,500,000]. This layer is image 3 of 4 total images, representing the southwest portion of the four sheet source map. The image inside the map neatline is georeferenced to the surface of the earth and fit to the North America Lambert Conformal Conic projection. 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 drainage, cities and other human settlements, roads, railroads, territorial and administrative boundaries, shoreline features, and more. Relief shown by hachures. Includes tables and inset maps: Map of the Sandwich Islands discovered by Capt.n Cook in 1778 -- Map of the world on the Mercator projection exhibiting the American continent as its centre -- Map of the world on the Globular projection exhibiting the eastern and western Hemispheres.This layer is part of a selection of digitally scanned and georeferenced historic maps of North America 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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  19. Title: North America, 1856 (Image 4 of 4) (Raster Image)

    Contributors:

    Summary: This layer is a georeferenced raster image of the historic paper map entitled: Mitchell's new national map exhibiting the United States : with the north American British provinces, Sandwich Islands, Mexico and Central America, together with Cuba and other West India Islands, engraved by W. Williams, map engraver, Philadelphia. It was published by S. Augustus Mitchell in 1856. Scale [ca. 1:2,500,000]. This layer is image 4 of 4 total images, representing the northwest portion of the four sheet source map. The image inside the map neatline is georeferenced to the surface of the earth and fit to the North America Lambert Conformal Conic projection. 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 drainage, cities and other human settlements, roads, railroads, territorial and administrative boundaries, shoreline features, and more. Relief shown by hachures. Includes tables and inset maps: Map of the Sandwich Islands discovered by Capt.n Cook in 1778 -- Map of the world on the Mercator projection exhibiting the American continent as its centre -- Map of the world on the Globular projection exhibiting the eastern and western Hemispheres.This layer is part of a selection of digitally scanned and georeferenced historic maps of North America 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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  20. Title: North America, 1856 (Image 1 of 4) (Raster Image)

    Contributors:

    Summary: This layer is a georeferenced raster image of the historic paper map entitled: Mitchell's new national map exhibiting the United States : with the north American British provinces, Sandwich Islands, Mexico and Central America, together with Cuba and other West India Islands, engraved by W. Williams, map engraver, Philadelphia. It was published by S. Augustus Mitchell in 1856. Scale [ca. 1:2,500,000]. This layer is image 1 of 4 total images, representing the northeast portion of the four sheet source map. The image inside the map neatline is georeferenced to the surface of the earth and fit to the North America Lambert Conformal Conic projection. 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 drainage, cities and other human settlements, roads, railroads, territorial and administrative boundaries, shoreline features, and more. Relief shown by hachures. Includes tables and inset maps: Map of the Sandwich Islands discovered by Capt.n Cook in 1778 -- Map of the world on the Mercator projection exhibiting the American continent as its centre -- Map of the world on the Globular projection exhibiting the eastern and western Hemispheres.This layer is part of a selection of digitally scanned and georeferenced historic maps of North America 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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