After adding field notes to subdirectory in AWS S3 bucket, encountered problems with needing "tableofcontent.html" file (basically to index the pages). Errors like: 
After adding field notes to subdirectory in AWS S3 bucket, encountered problems with needing "tableofcontent.html" file (basically to index the pages). Errors like:
Following suggestions from https://stackoverflow.com/questions/16784052/access-files-stored-on-amazon-s3-through-web-browser and https://stackoverflow.com/questions/3785055/how-can-i-create-a-simple-index-html-file-which-lists-all-files-directories/46383157
used "tree" to create index.html: http://mama.indstate.edu/users/ice/tree/tree.1.html 
Added index.html to S3 bucket - still throwing errors. Renamed to "tableofcontent.html" - solved problem,
Can be accessed by following the links in the GD document Field-notes-archive-links