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This data has achieved Bronze level on 25 October 2015 which means this data makes a great start at the basics of publishing open data.

OrthoImagery Submission for Gratiot County, Michigan

Summary

Type of release
ongoing release of a series of related datasets

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Release Date
19 June 2015
Modified Date
19 June 2015
Update Frequency
irregular
Publishers
Federal Emergency Management Agency, Department of Homeland Security
Identifier
orthoimagery-submission-for-gratiot-county-michigan
Landing Page
http://catalog.data.gov/dataset/orthoimagery-submission-for-gratiot-county-michigan

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Description

The aerial image files in this archive are copies of standard digital orthophoto quadrangles (DOQ) from the National Digital Cartographic Data Base that have been repositioned to the Michigan GeoRef coordinate system. Orthophotographs represent aerial images where the perspective view of the camera is corrected to fit the geometry of a flat map. During the rectification process, the images are referenced to a particular cartographic projection system. This enables the user to display the images next to each other in their correct geographic location, map features directly from the image, or display other map information directly over the image. DOQs represent an orthorectified image product that meets a particular set of specifications developed by the U.S. Geological Survey (USGS). DOQ files are organized by the time period associated with film acquisition. Currently, DOQs in Michigan have been produced from two statewide flights that were initiated in 1992 and 1998 under the National Aerial Photography Program (NAPP) administered by USGS. Generally, production work terminates on an image series when a new flight is completed. Acquisition cycles are five to seven years apart. A complete description of DOQs is available from the USGS Web site.

General Information

Legal Information

This dataset has been created by US Government which means it is required to be in the public domain. However US copyright law only allows open access by US citizens, we have assumed the data is equivalently licensed as CC0 for the rest of the world as this is in the spirit of the US Government’s Open Data policy.

  • The rights statement is at

    http://catalog.data.gov/dataset/orthoimagery-submission-for-gratiot-county-michigan Do you think this data is incorrect? Let us know

  • Outside the US, this data is available under

    Creative Commons CCZero Do you think this data is incorrect? Let us know

  • There are

    yes, and the rights are all held by the same person or organisation Do you think this data is incorrect? Let us know

  • The content is available under

    Creative Commons CCZero Do you think this data is incorrect? Let us know

  • This data contains

    no data about individuals Do you think this data is incorrect? Let us know

Practical Information

  • The data appears in this collection

    http://catalog.data.gov/organization/fema-gov Do you think this data is incorrect? Let us know

  • This data changes

    no Do you think this data is incorrect? Let us know

  • The data is

    backed up offsite Do you think this data is incorrect? Let us know

Technical Information

Social Information

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  • Find out how to contact someone about this data at

    http://catalog.data.gov/dataset/orthoimagery-submission-for-gratiot-county-michigan Do you think this data is incorrect? Let us know

  • Find out how to suggest improvements to publication at

    http://www.data.gov/issue/?media_url=http://catalog.data.gov/dataset/orthoimagery-submission-for-gratiot-county-michigan Do you think this data is incorrect? Let us know

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