Membership
GSA Honors these 50-Year Members
NOTE: List shows those with 50+ years of membership.
Those who reached their 50th membership anniversary this year (2009) are shown in bold.
| Sidney J. Barker | Manuel N. Bass | Carl S. Benson | Gilbert T. Benson |
| Charles F. Berkstresser, Jr. | Merwin Bernstein | Frederick A.F. Berry | H. Richard Blank, Jr. |
| C. James Blom | Charles W. Blount | Ruth B. Boeckerman | Alfred E. Boerner |
| Edgar C. Bowman | Daniel A. Bradley | Allen S. Braumiller | Charles Q. Brown |
| Severn P. Brown | Kent O. Bushnell | Don W. Byerly | Neil P. Carroll |
| Richard J. Cassin | Harland E. Cofer, Jr. | Charles W. Collinson | Victor Colombini |
| John E. Cotton | John P. Crawford | Scott Creely | Whitman Cross |
| William C. Culbertson | Bernard J. Cunningham | James Diaz | Howard R. Dixon |
| David B. Doan | John J. Donohue | Hugh White Dresser | William L. Duggan |
| William H. Duhling | John R. Dyni | Richard E. Eggleton | Donald M. Ericson |
| Jack V. Everett | William M. Fairley | Roy L. Farnsworth | Fred W. Farwell |
| John A. Ferguson | G. Sidney Fox | Harold D. Fox | Dolores Jameson Gable |
| Gary R. Gates | John R. Gealy | Norman N. Greenman | Philip Grubaugh |
| Marc H. Grunenfelder | Richard L. Gullixson | Gerald H. Haddock | Paul E. Hammond |
| C. Edgar Hannum | David Graham Hardy | George R. Harlow | Henry G. Healy |
| David C. Hedlund | L. W. Heiny | C. R. B. Hobbs, Jr. | Albert C. Holler |
| Mark Lawrence Holmes | William W. Jenney | Richard D. Jones | David C. Jonson |
| Lisle T. Jory | Walter P. Kessinger, Jr. | Frank H. Kilmer | Ross L. Kinnaman |
| Phillip S. Kistler | David M. Knowles | Carroll F. Knutson | Frank C. Kresse |
| Byron Larsen | George W. Leney | Charles F. Lough | Lummie C. Lovely, Jr. |
| Richard J. Lutton | James C. MacLachlan | Lawrence E. Mannion | Milton R. Marks |
| Ronald J. Marr | Robert E. Maurer | William McBee, Jr. | Wallace Ronald McCord |
| James R. McIntyre | Judson Mead | Virginia Mee-Burns | E. Allen Merewether |
| Charles P. Miller | Jack B. Mills | Steven D. Mitchell | Philip S. Morey |
| Aylmer L. Morgan, III | Malcolm M. Mouat | Willis H. Nelson | Lewis G. Nichols |
| Ronald E. Notkin | Dale James Nyman | James F. O'Connell | Lawrence Ogden |
| Harry J Olson | Richard E. Oppel | Richard B. Palmer | Priscilla C. Patton |
| Elizabeth Pretzer Rall | David Ramaley | Robert Ramsdell | Allan D. Randall |
| Charles B. Reynolds | Claire A. Richardson | Guillermo Rodriguez-Eraso | Alfredo Rosenzweig |
| Fred G. Rueter | Robert B. Ryan | Robert M. Sanford | Frederick A. Schilling |
| John J. Schulte | Stanley P. Schweinfurth | Charles M. Shaw | Eugene M. Shearer |
| Barry D. Shelkin | Marshall K. Shurnas | Orrin Lee Slind | Foster D. Smith |
| Phyllis Scudder Snow | George C. Soronen | Charles R. Stelck | John N. Stephen |
| Rudolph G. Strand | Jack A. Sunderman | Robert M. Swesnik | Donald B. Tait |
| J. Cotter Tharin | Warren C. Thompson | John D. Vogel | Nels B. Vollo |
| F. Harold Weber | Robert M. Weidman | John H. Weitz, Sr. | James E. Werner |
| Charles B. Wheeler | John R. Wilson | Robert Lee Wilson | John W. Winchester |
| Lynn A. Yehle |
For further information please contact GSA Sales and Service at gsaservice@geosociety.org, or call 1-888-443-4472.