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0.15 meter ground sample distance (GSD), high resolution digital orthophotographs produced from aerial photos collected over the Casco Bay area of Maine on August 11 and 12, 2013. Each pixel represents a planimetric square 0.15 meter on a side on the ground. Aerial photography was flown at approximately 453 meters above mean ground level (mean ground level is approximately 8 meters). Source elevation data is 1/3 arc second data acquired from USGS. The digital orthorectified images are referenced to North American Datum 1983, UTM Zone 19 expressed in units of meters. 3 band tiled MG3 MrSid files were created. Imagery tiles provide complete coverage of the Casco Bay site in Maine.<\/span><\/p><\/div><\/div>", "name": "imageryBaseMapsEarthCover/orthoCoastalCascoBay2013", "description": "

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