These are the PNW FOP field trips I currently have. If anyone has more, please let me know how you can provide them to me so I can post them here.
- 1963 (14th) Central Western Illinois: John C. Frye and H.B. Willman
- 1972 (21st) East-Central Illinois: W. Hilton Johnson, Leon R. Follner, David L. Gross, and Alan M. Jacobs
- 1979 (26th) Central Illinois: Leon R. Follmer, E. Donald McKay, Jerry A. Lineback, and David L. Gross
- 1985 (32nd) Northern Illinois: Richard C. Berg, John P. Kempton, Leon R. Follmer, and Dennis P. McKenna
- 1990 (28 MB pdf)
- 1991 Hajic Trip (17 MB pdf)
- 2005 (51st) Mississippi River Valley, Illinois: E. Donald McKay III, Richard C. Berg, Ardith K. Hansel, Timothy J. Kemmis, and Andrew J. Stumpf
- 2006 does not yet exist
- 2007 does not yet exist
- 2008 (54th) Northeastern Illinois: Brandon Curry
- 2011 (55th) Carlyle, Illinois: David A. Grimley and Andrew C. Phillips
- 2014 (56th) Lower Ohio River Valley, Angel Mounds, Evansville, IN
- 2017 (55th) Bloomington, Indiana: Henry Loope, Jose Luis Antinao Rojas Robert Autio, and G. William Monaghan
Here is the history from 1950 – 2011:
(Found in the 2011 Guidebook)

If you would like the 56th FOP guidebook, let me know I can send a digital copy.
gosh, sorry i missed this. yes, please send me a digital copy. quakejay at gmail.com
gosh, it looks like you already got it to me… sorry
Does anyone have the 2004 50th FOP guidebook from central MN? I lost mine..
I don’t have a digital copy of that. hopefully someone else has a hard copy that we can get scanned!
I have a copy of the FOP field trip guidebook from the May 18 – 20 2007 Field Trip. Send me an e-mail and I’ll send it to you.
Is the midwestern cell FOP still active?