John,

I am on the advisory board of eQSL, and the eQSL web site might also be of assistance in reconstructing you log.

If you do a search on a call sign, on the upper right of the search result page is info containing the grid square:

K4VBM
PEACHTREE CORNERS, GA USA
Gwinnett county
Grid Square EM73vx (see map below)
CQ Zone: 5
Effective dates at this QTH: 01 Apr 2014 00:00 to 28 Mar 2024 00:00
I logged in 2 minutes ago and am still online
Last Activity: 08 Oct 2019 19:38Z

K4VBM/7
Las Vegas, NV USA
Clark county
Grid Square DM26if (see map below)
CQ Zone: 3
Effective dates at this QTH: 09 May 2018 00:00 to 28 Mar 2024 00:00
I logged in 5 days ago
Last Activity: 03 Oct 2019 02:34Z

etc.

Bob
K4VBM (Very Bad Memory)