U.S. Civil Service Commission announces examination for surveying aid and technician, $3,185 to $5,355 a year (grades GS-1 through GS-7, for field duty with Coast and Geodetic Survey, apply to Executive Secretary, Board of U.S. Civil Service Examiners, U.S. Coast and Geodetic Survey, Department of Commerce, Washington 25, D.C, announcement 254B.