Control point information includes the control points' x & y location, description, and elevation. Note this tile layout reflects the overall grid and not the mapping limits. These tiles are for collection years 2016 & 2017 with the 3 inch tile grids representing 3 inch imagery collected as part of the buy-up program during the 2017 western shore collection. The control points are for collection years 2016 & 2017. The photo centers are for collection years 2019 and 2020.
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{'Title': 'Maryland Imagery Acquisition Flight Information', 'Author': '', 'Comments': "Ground control points are necessary for achieving the required accuracy of the orthophotography. Information included in this data include the control points' x & y location, description, and elevation. Note this tile layout reflects the overall grid and not the mapping limits. These tiles are for collection years 2016 & 2017 with the 3 inch tile grids representing 3 inch imagery collected as part of the buy-up program during the 2017 western shore collection. The control points are for collection years 2016 & 2017. The photo centers are for collection years 2019 & 2020.", 'Subject': 'Map service contains information regarding the Digital High-Resolution Aerial Photography collection program in Maryland.', 'Category': '', 'AntialiasingMode': 'None', 'TextAntialiasingMode': 'Force', 'Keywords': 'Ground,Grids,Control Points,Imagery,Digital,Orthophotography,Collection,Quality,6 Inch Imagery Tile Grid,3 Inch Imagery Tile Grid,Dynamic,Vector,WMS,WFS,Maryland,MD iMAP,IMAG,KML,MD,DoIT,Department of Information Technology'}
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