OrthoImagery Submission for Gratiot County, Michigan

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

• This data is described at

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

• This data is published by

  Federal Emergency Management Agency, Department of Homeland Security Do you think this data is incorrect? Let us know

Legal Information

• 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

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• The data is

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

Technical Information

• Releases of this data are listed at

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

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