  
These maps cover an area approximately 9 miles (north-south) by 7 miles (east-west). The areas covered are determined by latitude and longitude. These maps are also known as 7.5-minute topographic maps, because they cover 7.5 minutes of longitude and 7.5 minutes of latitude.
If you need help locating a map, please call Mike Medina at (919) 707-9203.
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