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  1. Title: Chicago, Illinois, surficial geology, 1936 (Raster Image)

    Contributors:

    Summary: This layer is a georeferenced raster image of the historic, paper map entitled: Surficial geology of the Chicago Loop quadrangle, by J. Harlen Bretz. It was published by State Geological Survey Division ca. 1936. Scale 1:24,000. Topographic base surveyed in cooperation with the U.S. Geological Survey, 1926; 1936. Geologically surveyed 1930-1932. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Illinois East State Plane Coordinate System NAD27 (in Feet) (Fipszone 1201). 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 is a typical topographic map colored to show surficial geology. It portrays both natural and manmade features. It shows and names works of nature, such as mountains, valleys, lakes, rivers, vegetation, etc. It 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 5 feet. Includes legend and map index. 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.

  2. Title: County Boundary Lines Illinois 2003

    Contributors:

    Summary: This line data layer represents county boundaries for Illinois in 2003. The dataset was originally published by the Illinois State Geological Survey in June 2003.[This data set contains Illinois county boundary lines. The data were extracted from, and are redundant with, ISGS feature dataset IL_Public_Land_Survey_System. The data set is maintained as a separate entity for ease of query and display. The line attributes indicate which lines also form a portion of the state boundary. The nominal scale is 1:62,500. As of 2003, the data are typically distributed in geographic coordinates (longitude and latitude), decimal degrees, and the North American Datum (NAD) of 1983, and this is the default spatial reference of the ArcSDE feature dataset in which the data are stored. The data were originally developed, however, in a custom Lambert Conformal Conic projection and were distributed in that coordinate system for several years. The data were digitized in the late 1960s and in 1984-85 from 7.5- and 15-minute USGS topographic quadrangles. Errors in the location of a given feature are dependent on the accuracy of the original maps and on the accuracy of digitizing. Estimates are that features have an average locational error of at least plus/minus 100 feet.]

  3. Title: Boundary Illinois 1998

    Contributors:

    Summary: This polygon data layer represents the boundary for Illinois in 1998. The dataset was originally published by the Illinois State Geological Survey in 1998.[This is an Arc/Info polygon and arc data set showing the state line boundary of Illinois. Nominal scale is 1:62,500.]

  4. Title: Interstates and Toll Roads Illinois 1996

    Contributors:

    Summary: This line data layer represents interstates and toll roads for Illinois in 1996. The dataset was originally created by the Illinois State Geological Survey in 1996.[This data set contains interstates and toll roads for Illinois. This is a subset of the roads data set stored by county. Note that the functional classification of roadways is the jurisdiction of the Illinois Department of Transportation and is subject to change. Data are derived from the US Geological Survey 1:100,000 Digital Line Graph files, transportation layer, 1980-1986. Publication dates of the USGS maps used as sources range from 1980 to 1996. Major highways were updated as of 1996. The maximum estimated error in horizontal position based on National Map Accuracy Standards is 167 feet. Attributes include up to three interstate route numbers.]

  5. Title: Generalized Railroads Illinois 1996

    Contributors:

    Summary: This line data layer represents generalized railroads for Illinois in 1996. The dataset was originally created by the Illinois State Geological Survey in 1996.[This arc coverage consists of line features that represent the general railroad infrastructure of Illinois. Most of these rail lines were active as of 1996. This information was derived from the US Geological Survey 1:100,000 Digital Line Graph files (transportation layer) and from the Illinois Railroad Map, published by the Illinois Department of Transportation (1994). This is not a complete representation of rail lines in Illinois. Several features are not included, such as (1) spur lines and rail yards in major metropolitan areas, other municipalities and industrial locations, (2) some lines less than 1-2 miles in length, and (3) ancillary tracks at junctions and other areas. The state boundary is not included in this data set.Arc segments are annotated with abbreviated railway designations. However, it is not known when these annotations were last updated and verified. It is suspected that several annotations may no longer properly reflect rail ownership.]

  6. Title: Base map of Illinois

    Contributors:

    Summary: Relief shown by spot heights. 125 x 72 centimeters Scale 1:500,000 approximately 8 miles to 1 inch General Map Collection

  7. Title: Coal mines and coal field[s] of Illinois

    Contributors:

    Summary: Indexed to list of shipping coal mines. 125 x 84 centimeters Scale 1:500,000 approximately 8 miles to 1 inch General Map Collection

  8. Title: Base map of Illinois

    Contributors:

    Summary: Relief shown by spot heights. 125 x 72 centimeters General Map Collection

  9. Title: Base map of Illinois

    Contributors:

    Summary: Relief shown by spot heights. 125 x 72 centimeters Scale 1:500,000 approximately 8 miles to 1 inch General Map Collection

  10. Title: Geologic map of Tennessee

    Contributors:

    Summary: Includes legend, 4 structure sections and "map showing the sources of information from which the geologic map was compiled." 49 x 154 centimeters on sheet 77 x 160 centimeters Scale 1:500,000 General Map Collection

  11. Title: Geologic map of Tennessee

    Contributors:

    Summary: Includes legend, 4 structure sections and "map showing the sources of information from which the geologic map was compiled." 49 x 154 centimeters on sheet 77 x 160 centimeters Scale 1:500,000 General Map Collection

  12. Title: Preliminary geologic map of New York, exhibiting the structure of the state so far as known; Geological Survey of the State of New York; prepared under the direction of James Hall by W.J. McGee.

    Contributors:

    Summary: Published by authority of the Legislature of the State of New York. Includes legend. Inset: [Long Island]. 1 map on 6 sheets: col.; sheets 82 x 88 cm. or smaller.

  13. Title: Illinois Highway Map, 1989-90.

    Contributors:

    Summary: Amtrak routes;Color map of Illinois; Chicago and vicinity, Chicago Metropolitan Expressway System, St. Louis, East St. Louis, Rockford, Bloomington-Normal, Kankakee, Champaign-Urbana, Quincy, Springfield, Danville, Peoria, Decatur.;highways, roads, counties, rivers, lakes, railroads, colleges and universities, state institutions and memorials, cities and villages and their populations, recreational areas, historic sites

  14. Title: USA (Populated Places, 2003)

    • Point data
    • 2008
    Contributors:

    Summary: This data set includes cities in the United States, Puerto Rico and the U.S. Virgin Islands. These cities were collected from the 1970 National Atlas of the United States. Where applicable, U.S. Census Bureau codes for named populated places were associated with each name to allow additional information to be attached. The Geographic Names Information System (GNIS) was also used as a source for additional information. This is a revised version of the December, 2003, data set.

  15. Title: Railroad map of Illinois, 1928

    Contributors:

    Summary: Includes lists of steam railroads and passenger terminals in Chicago.; Includes index of counties and towns in Illinois.; Inset: [Chicago and vicinity]. 125 x 79 centimeters folded to 19 x 13 centimeters Scale approximately 1:506,880; 8 miles to 1 inch General Map Collection

  16. Title: Portland Topographical Map of 1964

    Contributors:

    Summary: This topographical map is a compilation of four Geological Survey Portland maps published in 1964. Georeferenced to fit Oregon North State Plane (feet) NAD 1927 coordinate system (Fipszone 3601).

  17. Title: USA (GNIS Buildings, 2005)

    • Point data
    • 2005
    • MIT authentication required
    Contributors:

    Summary: U.S. Geographic Names Information System Buildings represents an automated inventory of the proper names and locations of physical and cultural geographic features located throughout the United States and its Territories.

  18. Title: USA (GNIS Cemeteries, 2005)

    • Point data
    • 2005
    • MIT authentication required
    Contributors:

    Summary: U.S. Geographic Names Information System Cemeteries represents an automated inventory of the proper names and locations of physical and cultural geographic features located throughout the United States and its Territories.

  19. Title: USA (GNIS Churches, 2005)

    • Point data
    • 2005
    • MIT authentication required
    Contributors:

    Summary: U.S. Geographic Names Information System Churches represents an automated inventory of the proper names and locations of physical and cultural geographic features located throughout the United States and its Territories.

  20. Title: USA (GNIS Golf Locales, 2005)

    • Point data
    • 2005
    • MIT authentication required
    Contributors:

    Summary: U.S. Geographic Names Information System Golf Locales represents an automated inventory of the proper names and locations of physical and cultural geographic features located throughout the United States and its Territories. No data exists for Alaska.

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