Taking NRDA Photography Validate field sample photos Provide a Visual Description of Field Conditions and Operations Home > TrusteesONLY > Sample Data > 0_Instructions_and_Forms > Field_Photo_Validation_Documents Helpful GPS/Photo Documents on Trustee FTP: NRDA_Field_Photography_Guidance Basic_GPS_Skills Garmin MapSource Why? What do you need? Digital Camera GPS Uni t 1 ) 2 )