I have been compiling selected extracts on groundwater modelling discussion from various mailing lists for past many years (mostly from the lists moderated by me). The updated compiled version (as on 26 May 2021) has been uploaded at -
I understand that in view of random and discontinuous placing, many parts may not be easily comprehensible. Still I think that it could be helpful to groundwater modellers to a great extent.
Thanks & Regards
C. P. Kumar
Former Scientist 'G'
National Institute of Hydrology
Roorkee - 247667 (Uttarakhand)