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Frank J. Abbatematteo
Delaware (Johnston) - Geologists - Geologist
Expired -
Theresa A. Aguiar
Delaware (Bluefield) - Geologists - Geologist
Active -
John K Adams
Delaware (Doylestown) - Geologists - Geologist
Expired -
W. J. Alexander
Delaware (Chapel Hill) - Geologists - Geologist
Expired -
Frank Aceto
Delaware (Kennett Square) - Geologists - Geologist
Active -
Jonathon Jude Alix
Delaware (Charlotte) - Geologists - Geologist
Expired -
Joseph L. Aldern
Delaware (Highland) - Geologists - Geologist
Expired -
John W Allingham
Delaware (Bethesda) - Geologists - Geologist
Expired -
Jonathon Jude Alix
Delaware (Charlotte) - Geologists - Geologist
Expired -
Vincent Amy
Delaware - Geologists - Geologist
Expired -
Roger S. Anderson
Delaware (Lansing) - Geologists - Geologist
Expired -
Roger S. Anderson
Delaware (Lansing) - Geologists - Geologist
Voided -
Martin Joseph Andrejko
Delaware (Norwood) - Geologists - Geologist
Expired -
Alan Scott Andres
Delaware (Newark) - Geologists - Geologist
Expired -
Alan Scott Andres
Delaware (Newark) - Geologists - Geologist
Active -
Benjamin Alter
Delaware (Edison) - Geologists - Geologist
Expired -
Jeremy John Andrews
Delaware (Richmond) - Geologists - Geologist
Expired -
Michael A. Apgar
Delaware (Dover) - Geologists - Geologist
Expired -
R. Bruce Archer
Delaware (Colts Neck) - Geologists - Geologist
Expired -
John G. Archibald, III
Delaware (Gap) - Geologists - Geologist
Expired