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David Walker


David Walker has been on expo in the following years:

ExpoLogbook mentionsSurvex trips
2014   7   16
2015   9   4
2016   4   4

Surveys done

Wallets and surveys mentioning David Walker
To add a blurb file for a person, create /folk/l/.html and register it in /folk/folk.csv . Documented in /handbook/computing/folkupdate.html