USGS 2014 Corpus Christi 30cm NC Orthoimagery

Date(s): Coverage Availability/Geographic Extent: Footprint: Source(s):
2014 Corpus Christi US National Grid USGS

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Data Details

Orthoimagery - Regional
Available Formats: JPEG2000
Alternative Data: None
Derivative Data: None
Known Issues: None
Recommended Uses: Basemap
Spatial Reference:

EPSG 26914


This data set consists of 0.3-meter pixel resolution (approximately 1-foot), natural color orthoimages covering the urban area footprint. An orthoimage is remotely sensed image data in which displacement of features in the image caused by terrain relief and sensor orientation have been mathematically removed. Orthoimagery combines the image characteristics of a photography with the geometric qualities of a map. The design accuracy is estimated not to exceed 3-meters NSSDA 95% confidence (0.88-meters Root Mean Squared (RMSE) Error XY (0.62 meter RMSE X or Y). Each orthoimage provides imagery over a 1500-meter by 1500-meter block on the ground. There is no image overlap between adjacent files. The projected coordinate system is UTM with a NAD83 datum. The naming convention is based on the U.S. National Grid (USNG), taking the coordinates of the SW corner of the orthoimage.

Supplemental Information

Tile Index: Download File