Raleigh Project 6004A & 6130

The publication for Raleigh 74 gives no information as to how the magnetic data may have 
been corrected.  The only source for the magnetic data was in the radiometric file and,
therefore, labelled resmag.  Because no known corrections were applied to the magnetic
data, we are assuming it is total field magnetics but allowed it to remain listed as
resmag in the radiometric file.  A 74 magnetic file was created from the radiometric file.

Raleigh 79 was flown as a fill in for the earlier project with the intent to combine the 
two surveys but the combination did not occur.