Regional Geospatial Service Center

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Gravity data attributes

Source Code: Reference to  who collected the data, or assigned ID

LatNAD27, LongNAD27 are latitude and longitude using NAD27 (North American Datum 1927) 

LatNAD83, LongNAD83 are latitude and longitude using NAD83 (North American Datum 1983)  

elevngvd29m, elevngvd88m There are the elevation vertical datum 1929 or 1988 

obsgrvless976000mg  This is the gravity meter reading minus 976000

ITC and OTC are the inner and outer terrain correction

Faanom = free air anomaly

CBAnom267 = Complete Bouger anomaly reduced to background density of 267



Dr. Raed Aldouri