- All raw data extracted from the Hokkaido Police Search and Rescue PDF
reports, publicly accessible (in Japanese) from
https://www.police.pref.hokkaido.lg.jp/info/chiiki/sangaku/sangaku-top.html.
- English translations of the raw data are unofficial. Any suggestions for improvement or reports of errors should be made to the lead researcher Dr. Robert Thomson of Hokusei Gakuen University (Sapporo, Japan) - rob.thomson@hokusei.ac.jp.
- The English-translated database can be filtered and explored at https://hokkaidowilds.org/sar-events.
- English translations of the original Japanese event descriptions up to November 2018 are mostly translated using Google Translation. Human post-editing is intended as time allows.